{"id":120791,"date":"2026-11-01T11:40:39","date_gmt":"2026-11-01T03:40:39","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/120791.html"},"modified":"2026-11-01T11:40:39","modified_gmt":"2026-11-01T03:40:39","slug":"%e6%89%93%e9%80%9a-mysql%e3%80%81postgresql-%e5%92%8c%e6%9c%ac%e5%9c%b0%e6%96%87%e4%bb%b6%ef%bc%9a%e7%94%a8-duckdb-%e5%81%9a%e8%b7%a8%e5%ba%93%e5%88%86%e6%9e%90","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/120791.html","title":{"rendered":"\u6253\u901a MySQL\u3001PostgreSQL \u548c\u672c\u5730\u6587\u4ef6\uff1a\u7528 DuckDB \u505a\u8de8\u5e93\u5206\u6790"},"content":{"rendered":"<h2>\u6253\u901a MySQL\u3001PostgreSQL \u548c\u672c\u5730\u6587\u4ef6&#xff1a;\u7528 DuckDB \u505a\u8de8\u5e93\u5206\u6790<\/h2>\n<h3>\u4e00\u3001\u5148\u8bf4\u75db\u70b9&#xff1a;\u6570\u636e\u8d8a\u6765\u8d8a\u591a&#xff0c;\u5206\u6790\u5374\u8d8a\u6765\u8d8a\u9ebb\u70e6<\/h3>\n<p>\u5f88\u591a\u56e2\u961f\u7684\u771f\u5b9e\u60c5\u51b5\u662f&#xff1a;<\/p>\n<ul>\n<li>\u8ba2\u5355\u5728 MySQL&#xff1b;<\/li>\n<li>\u7528\u6237\u548c\u6743\u9650\u5728 PostgreSQL&#xff1b;<\/li>\n<li>\u65e5\u5fd7\u3001\u57cb\u70b9\u3001\u5bfc\u51fa\u6587\u4ef6\u662f CSV \/ Parquet&#xff1b;<\/li>\n<li>\u8d22\u52a1\u548c\u5206\u6790\u5e08\u624b\u91cc\u8fd8\u6709\u4e00\u5806 Excel&#xff1b;<\/li>\n<li>\u5386\u53f2\u6570\u636e\u53ef\u80fd\u8eba\u5728\u5bf9\u8c61\u5b58\u50a8\u91cc\u3002<\/li>\n<\/ul>\n<p>\u60f3\u505a\u4e00\u4e2a\u7a0d\u5fae\u5b8c\u6574\u4e00\u70b9\u7684\u5206\u6790&#xff0c;\u901a\u5e38\u8981\u7ecf\u5386\u8fd9\u6837\u7684\u6d41\u7a0b&#xff1a;<\/p>\n<li>\u4ece MySQL \u62bd\u8ba2\u5355\u6570\u636e&#xff1b;<\/li>\n<li>\u4ece PostgreSQL \u62bd\u7528\u6237\u6570\u636e&#xff1b;<\/li>\n<li>\u628a CSV\u3001Excel \u6e05\u6d17\u4e00\u904d&#xff1b;<\/li>\n<li>\u7edf\u4e00\u5bfc\u5165\u4e34\u65f6\u5e93\u6216\u6570\u4ed3&#xff1b;<\/li>\n<li>\u7b49 ETL \u8dd1\u5b8c&#xff1b;<\/li>\n<li>\u6700\u540e\u624d\u80fd\u5199 SQL \u505a\u5173\u8054\u5206\u6790\u3002<\/li>\n<p>\u8fd9\u6761\u94fe\u8def\u7684\u95ee\u9898\u5f88\u660e\u663e&#xff1a;<\/p>\n<ul>\n<li>\u91cd&#xff1a;\u8981\u7ef4\u62a4\u540c\u6b65\u4efb\u52a1\u3001\u8c03\u5ea6\u7cfb\u7edf\u3001\u4e2d\u95f4\u5e93&#xff1b;<\/li>\n<li>\u6162&#xff1a;\u4e34\u65f6\u5206\u6790\u4e5f\u8981\u7b49\u6570\u636e\u540c\u6b65&#xff0c;\u65f6\u6548\u6027\u5dee&#xff1b;<\/li>\n<li>\u8d35&#xff1a;\u5c0f\u56e2\u961f\u4e3a\u4e86\u51e0\u6b21\u8de8\u5e93\u5206\u6790&#xff0c;\u4e0a\u4e00\u6574\u5957\u5927\u6570\u636e\u7ec4\u4ef6\u5e76\u4e0d\u5212\u7b97&#xff1b;<\/li>\n<li>\u5bb9\u6613\u9519&#xff1a;\u6570\u636e\u590d\u5236\u591a\u4efd\u540e&#xff0c;\u53e3\u5f84\u3001\u65f6\u95f4\u5b57\u6bb5\u3001\u4e3b\u952e\u6620\u5c04\u90fd\u53ef\u80fd\u4e0d\u4e00\u81f4&#xff1b;<\/li>\n<li>\u4e0d\u7075\u6d3b&#xff1a;\u4e1a\u52a1\u95ee\u9898\u4e00\u53d8&#xff0c;ETL \u94fe\u8def\u5c31\u5f97\u6539\u3002<\/li>\n<\/ul>\n<p>\u66f4\u5c34\u5c2c\u7684\u662f&#xff0c;\u5f88\u591a\u5206\u6790\u6839\u672c\u4e0d\u9700\u8981\u201c\u5148\u5efa\u4e00\u4e2a\u6570\u4ed3\u201d\u3002<\/p>\n<p>\u6bd4\u5982&#xff1a;<\/p>\n<p>\u628a MySQL \u91cc\u7684\u8ba2\u5355&#xff0c;\u548c PostgreSQL \u91cc\u7684\u7528\u6237\u753b\u50cf\u5173\u8054\u4e00\u4e0b&#xff0c;\u770b\u770b\u4e0d\u540c\u6e20\u9053\u7684\u9ad8\u4ef7\u503c\u7528\u6237\u6700\u8fd1 30 \u5929\u7684\u590d\u8d2d\u60c5\u51b5\u3002<\/p>\n<p>\u8fd9\u7c7b\u9700\u6c42&#xff0c;\u672c\u8d28\u4e0a\u5c31\u662f\u4e00\u6b21\u8de8\u5e93 JOIN\u3002<\/p>\n<p>\u5982\u679c\u6570\u636e\u5e93\u672c\u8eab\u5c31\u80fd\u76f4\u63a5\u5b8c\u6210&#xff0c;\u4e3a\u4ec0\u4e48\u8fd8\u8981\u5148\u642c\u8fd0\u4e00\u904d&#xff1f;<\/p>\n<p>\u8fd9\u6b63\u662f DuckDB \u64c5\u957f\u7684\u4e8b\u60c5\u3002<\/p>\n<hr \/>\n<h3>\u4e8c\u3001DuckDB \u662f\u4ec0\u4e48&#xff1f;<\/h3>\n<p>DuckDB \u662f\u4e00\u4e2a\u5d4c\u5165\u5f0f\u5206\u6790\u578b\u6570\u636e\u5e93\u3002<\/p>\n<p>\u53ef\u4ee5\u628a\u5b83\u7406\u89e3\u6210\u201c\u5206\u6790\u573a\u666f\u4e0b\u7684 SQLite\u201d&#xff1a;<\/p>\n<ul>\n<li>\u4e0d\u9700\u8981\u5355\u72ec\u90e8\u7f72\u6570\u636e\u5e93\u670d\u52a1&#xff1b;<\/li>\n<li>\u4ee5\u5e93\u7684\u5f62\u5f0f\u5d4c\u5165\u5230\u5e94\u7528\u8fdb\u7a0b\u4e2d&#xff1b;<\/li>\n<li>\u652f\u6301\u6807\u51c6 SQL&#xff1b;<\/li>\n<li>\u5217\u5f0f\u5b58\u50a8\u3001\u5411\u91cf\u5316\u6267\u884c&#xff1b;<\/li>\n<li>\u5bf9 OLAP \u805a\u5408\u3001JOIN\u3001\u626b\u63cf\u975e\u5e38\u53cb\u597d&#xff1b;<\/li>\n<li>\u53ef\u4ee5\u76f4\u63a5\u8bfb\u53d6 CSV\u3001Parquet\u3001JSON \u7b49\u6587\u4ef6&#xff1b;<\/li>\n<li>\u652f\u6301\u901a\u8fc7\u6269\u5c55\u8fde\u63a5 MySQL\u3001PostgreSQL\u3001SQLite \u7b49\u5916\u90e8\u6570\u636e\u6e90\u3002<\/li>\n<\/ul>\n<p>\u5b83\u7279\u522b\u9002\u5408&#xff1a;<\/p>\n<ul>\n<li>\u672c\u5730\u6570\u636e\u5206\u6790&#xff1b;<\/li>\n<li>\u6570\u636e\u79d1\u5b66\u548c Notebook&#xff1b;<\/li>\n<li>\u8f7b\u91cf\u7ea7\u6570\u4ed3&#xff1b;<\/li>\n<li>\u6570\u636e\u96c6\u6210\u8fc7\u7a0b\u4e2d\u7684\u8ba1\u7b97\u5f15\u64ce&#xff1b;<\/li>\n<li>\u8de8\u6570\u636e\u6e90\u8054\u5408\u67e5\u8be2&#xff1b;<\/li>\n<li>\u628a\u201c\u4e34\u65f6\u5206\u6790\u201d\u53d8\u6210\u53ef\u91cd\u590d\u6267\u884c\u7684 SQL\u3002<\/li>\n<\/ul>\n<p>\u548c\u4f20\u7edf\u6570\u4ed3\u76f8\u6bd4&#xff0c;DuckDB \u6700\u5927\u7684\u7279\u70b9\u662f&#xff1a;\u4f60\u4e0d\u9700\u8981\u5148\u51c6\u5907\u4e00\u5957\u96c6\u7fa4&#xff0c;\u6253\u5f00\u5c31\u80fd\u67e5\u3002<\/p>\n<hr \/>\n<h3>\u4e09\u3001DuckDB \u7684\u8de8\u5e93\u5206\u6790\u80fd\u529b&#xff1a;\u628a\u5916\u90e8\u6570\u636e\u5e93\u5f53\u8868\u67e5<\/h3>\n<p>DuckDB \u53ef\u4ee5\u901a\u8fc7 ATTACH \u628a\u5916\u90e8\u6570\u636e\u5e93\u6302\u8f7d\u8fdb\u6765\u3002<\/p>\n<p>\u6302\u8f7d\u4e4b\u540e&#xff0c;MySQL\u3001PostgreSQL \u91cc\u7684\u8868&#xff0c;\u5728 SQL \u91cc\u770b\u8d77\u6765\u5c31\u50cf\u672c\u5730\u8868\u4e00\u6837&#xff0c;\u53ef\u4ee5\u76f4\u63a5 JOIN\u3001\u805a\u5408\u3001\u5bfc\u51fa\u3002<\/p>\n<h4>1. \u6302\u8f7d MySQL<\/h4>\n<p>INSTALL mysql<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">LOAD<\/span> mysql<span class=\"token punctuation\">;<\/span><\/p>\n<p>ATTACH <span class=\"token string\">&#039;mysql:\/\/reader:******&#064;10.0.0.12:3306\/sales&#039;<\/span><br \/>\n<span class=\"token keyword\">AS<\/span> mysql_sales<br \/>\n<span class=\"token punctuation\">(<\/span><span class=\"token keyword\">TYPE<\/span> mysql<span class=\"token punctuation\">,<\/span> READ_ONLY<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u67e5\u770b\u6302\u8f7d\u7ed3\u679c&#xff1a;<\/p>\n<p><span class=\"token keyword\">SELECT<\/span> <span class=\"token operator\">*<\/span> <span class=\"token keyword\">FROM<\/span> duckdb_databases<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u67e5\u8be2 MySQL \u8868\u65f6&#xff0c;\u4f7f\u7528 catalog.schema.table \u4e09\u6bb5\u5f0f\u540d\u79f0&#xff1a;<\/p>\n<p><span class=\"token keyword\">SELECT<\/span> <span class=\"token operator\">*<\/span><br \/>\n<span class=\"token keyword\">FROM<\/span> mysql_sales<span class=\"token punctuation\">.<\/span>sales<span class=\"token punctuation\">.<\/span>orders<br \/>\n<span class=\"token keyword\">LIMIT<\/span> <span class=\"token number\">100<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h4>2. \u6302\u8f7d PostgreSQL<\/h4>\n<p>INSTALL postgres<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">LOAD<\/span> postgres<span class=\"token punctuation\">;<\/span><\/p>\n<p>ATTACH <span class=\"token string\">&#039;host&#061;10.0.0.20 port&#061;5432 dbname&#061;user_center user&#061;reader password&#061;******&#039;<\/span><br \/>\n<span class=\"token keyword\">AS<\/span> pg_user<br \/>\n<span class=\"token punctuation\">(<\/span><span class=\"token keyword\">TYPE<\/span> postgres<span class=\"token punctuation\">,<\/span> READ_ONLY<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u67e5\u8be2 PostgreSQL&#xff1a;<\/p>\n<p><span class=\"token keyword\">SELECT<\/span> <span class=\"token operator\">*<\/span><br \/>\n<span class=\"token keyword\">FROM<\/span> pg_user<span class=\"token punctuation\">.<\/span><span class=\"token keyword\">public<\/span><span class=\"token punctuation\">.<\/span>users<br \/>\n<span class=\"token keyword\">LIMIT<\/span> <span class=\"token number\">100<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h4>3. \u8de8\u5e93 JOIN&#xff1a;MySQL \u8ba2\u5355 &#043; PostgreSQL \u7528\u6237<\/h4>\n<p>\u73b0\u5728&#xff0c;\u4e00\u6b21 SQL \u5c31\u80fd\u5b8c\u6210\u8de8\u5e93\u5173\u8054&#xff1a;<\/p>\n<p><span class=\"token keyword\">SELECT<\/span><br \/>\n    date_trunc<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;day&#039;<\/span><span class=\"token punctuation\">,<\/span> o<span class=\"token punctuation\">.<\/span>created_at<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">AS<\/span> order_date<span class=\"token punctuation\">,<\/span><br \/>\n    u<span class=\"token punctuation\">.<\/span>channel<span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token function\">count<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">AS<\/span> order_cnt<span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token function\">sum<\/span><span class=\"token punctuation\">(<\/span>o<span class=\"token punctuation\">.<\/span>amount<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">AS<\/span> gmv<br \/>\n<span class=\"token keyword\">FROM<\/span> mysql_sales<span class=\"token punctuation\">.<\/span>sales<span class=\"token punctuation\">.<\/span>orders o<br \/>\n<span class=\"token keyword\">JOIN<\/span> pg_user<span class=\"token punctuation\">.<\/span><span class=\"token keyword\">public<\/span><span class=\"token punctuation\">.<\/span>users u<br \/>\n  <span class=\"token keyword\">ON<\/span> o<span class=\"token punctuation\">.<\/span>user_id <span class=\"token operator\">&#061;<\/span> u<span class=\"token punctuation\">.<\/span>id<br \/>\n<span class=\"token keyword\">WHERE<\/span> o<span class=\"token punctuation\">.<\/span>created_at <span class=\"token operator\">&gt;&#061;<\/span> <span class=\"token keyword\">current_date<\/span> <span class=\"token operator\">&#8211;<\/span> <span class=\"token keyword\">INTERVAL<\/span> <span class=\"token number\">30<\/span> <span class=\"token keyword\">DAY<\/span><br \/>\n  <span class=\"token operator\">AND<\/span> u<span class=\"token punctuation\">.<\/span>user_level <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;VIP&#039;<\/span><br \/>\n<span class=\"token keyword\">GROUP<\/span> <span class=\"token keyword\">BY<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><br \/>\n<span class=\"token keyword\">ORDER<\/span> <span class=\"token keyword\">BY<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u4e0d\u9700\u8981\u5148\u628a\u8ba2\u5355\u540c\u6b65\u5230 PostgreSQL&#xff0c;\u4e5f\u4e0d\u9700\u8981\u5728\u4e2d\u95f4\u5e93\u5efa\u4e34\u65f6\u8868\u3002<\/p>\n<h4>4. \u8de8\u5e93 JOIN \u672c\u5730 Parquet \/ CSV<\/h4>\n<p>DuckDB \u8fd8\u53ef\u4ee5\u76f4\u63a5\u8bfb\u53d6\u6587\u4ef6&#xff1a;<\/p>\n<p><span class=\"token keyword\">SELECT<\/span><br \/>\n    o<span class=\"token punctuation\">.<\/span>order_id<span class=\"token punctuation\">,<\/span><br \/>\n    o<span class=\"token punctuation\">.<\/span>amount<span class=\"token punctuation\">,<\/span><br \/>\n    p<span class=\"token punctuation\">.<\/span>city<span class=\"token punctuation\">,<\/span><br \/>\n    p<span class=\"token punctuation\">.<\/span>risk_level<br \/>\n<span class=\"token keyword\">FROM<\/span> mysql_sales<span class=\"token punctuation\">.<\/span>sales<span class=\"token punctuation\">.<\/span>orders o<br \/>\n<span class=\"token keyword\">JOIN<\/span> read_parquet<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;s3:\/\/analytics-bucket\/user_profile\/*.parquet&#039;<\/span><span class=\"token punctuation\">)<\/span> p<br \/>\n  <span class=\"token keyword\">ON<\/span> o<span class=\"token punctuation\">.<\/span>user_id <span class=\"token operator\">&#061;<\/span> p<span class=\"token punctuation\">.<\/span>user_id<br \/>\n<span class=\"token keyword\">WHERE<\/span> o<span class=\"token punctuation\">.<\/span>created_at <span class=\"token operator\">&gt;&#061;<\/span> <span class=\"token keyword\">current_date<\/span> <span class=\"token operator\">&#8211;<\/span> <span class=\"token keyword\">INTERVAL<\/span> <span class=\"token number\">7<\/span> <span class=\"token keyword\">DAY<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u4e5f\u53ef\u4ee5\u76f4\u63a5\u8bfb\u53d6 CSV&#xff1a;<\/p>\n<p><span class=\"token keyword\">SELECT<\/span> <span class=\"token operator\">*<\/span><br \/>\n<span class=\"token keyword\">FROM<\/span> read_csv_auto<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;exports\/channel_mapping.csv&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u6216\u8005 JSON&#xff1a;<\/p>\n<p><span class=\"token keyword\">SELECT<\/span> <span class=\"token operator\">*<\/span><br \/>\n<span class=\"token keyword\">FROM<\/span> read_json_auto<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;logs\/events-2026-10-*.json&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u8fd9\u610f\u5473\u7740&#xff0c;\u6570\u636e\u5e93\u3001\u6587\u4ef6\u3001\u5bf9\u8c61\u5b58\u50a8\u53ef\u4ee5\u5728\u540c\u4e00\u6761 SQL \u91cc\u534f\u540c\u5de5\u4f5c\u3002<\/p>\n<hr \/>\n<h3>\u56db\u3001\u4e0d\u53ea\u662f\u67e5\u8be2&#xff1a;\u7528 DuckDB \u505a\u6570\u636e\u5904\u7406<\/h3>\n<p>DuckDB \u4e0d\u53ea\u662f\u201c\u67e5\u4e00\u4e0b\u201d&#xff0c;\u4e5f\u53ef\u4ee5\u627f\u62c5\u8f7b\u91cf\u7ea7\u7684\u6570\u636e\u52a0\u5de5\u3002<\/p>\n<h4>1. \u628a\u8de8\u5e93\u7ed3\u679c\u843d\u5230 Parquet<\/h4>\n<p>COPY <span class=\"token punctuation\">(<\/span><br \/>\n    <span class=\"token keyword\">SELECT<\/span><br \/>\n        o<span class=\"token punctuation\">.<\/span>order_id<span class=\"token punctuation\">,<\/span><br \/>\n        o<span class=\"token punctuation\">.<\/span>user_id<span class=\"token punctuation\">,<\/span><br \/>\n        o<span class=\"token punctuation\">.<\/span>amount<span class=\"token punctuation\">,<\/span><br \/>\n        u<span class=\"token punctuation\">.<\/span>channel<span class=\"token punctuation\">,<\/span><br \/>\n        u<span class=\"token punctuation\">.<\/span>city<br \/>\n    <span class=\"token keyword\">FROM<\/span> mysql_sales<span class=\"token punctuation\">.<\/span>sales<span class=\"token punctuation\">.<\/span>orders o<br \/>\n    <span class=\"token keyword\">JOIN<\/span> pg_user<span class=\"token punctuation\">.<\/span><span class=\"token keyword\">public<\/span><span class=\"token punctuation\">.<\/span>users u<br \/>\n      <span class=\"token keyword\">ON<\/span> o<span class=\"token punctuation\">.<\/span>user_id <span class=\"token operator\">&#061;<\/span> u<span class=\"token punctuation\">.<\/span>id<br \/>\n    <span class=\"token keyword\">WHERE<\/span> o<span class=\"token punctuation\">.<\/span>created_at <span class=\"token operator\">&gt;&#061;<\/span> <span class=\"token keyword\">current_date<\/span> <span class=\"token operator\">&#8211;<\/span> <span class=\"token keyword\">INTERVAL<\/span> <span class=\"token number\">30<\/span> <span class=\"token keyword\">DAY<\/span><br \/>\n<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">TO<\/span> <span class=\"token string\">&#039;result\/vip_orders.parquet&#039;<\/span> <span class=\"token punctuation\">(<\/span>FORMAT PARQUET<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>Parquet \u5217\u5f0f\u538b\u7f29\u3001\u8bfb\u53d6\u5feb&#xff0c;\u9002\u5408\u4f5c\u4e3a\u540e\u7eed\u5206\u6790\u3001\u5f52\u6863\u6216\u6570\u636e\u6e56\u6587\u4ef6\u3002<\/p>\n<h4>2. \u7528 CTAS \u5efa\u672c\u5730\u5206\u6790\u8868<\/h4>\n<p><span class=\"token keyword\">CREATE<\/span> <span class=\"token keyword\">TABLE<\/span> vip_order_summary <span class=\"token keyword\">AS<\/span><br \/>\n<span class=\"token keyword\">SELECT<\/span><br \/>\n    u<span class=\"token punctuation\">.<\/span>channel<span class=\"token punctuation\">,<\/span><br \/>\n    date_trunc<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;month&#039;<\/span><span class=\"token punctuation\">,<\/span> o<span class=\"token punctuation\">.<\/span>created_at<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">AS<\/span> <span class=\"token keyword\">month<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token function\">count<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">AS<\/span> order_cnt<span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token function\">sum<\/span><span class=\"token punctuation\">(<\/span>o<span class=\"token punctuation\">.<\/span>amount<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">AS<\/span> gmv<span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token function\">avg<\/span><span class=\"token punctuation\">(<\/span>o<span class=\"token punctuation\">.<\/span>amount<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">AS<\/span> avg_order_amount<br \/>\n<span class=\"token keyword\">FROM<\/span> mysql_sales<span class=\"token punctuation\">.<\/span>sales<span class=\"token punctuation\">.<\/span>orders o<br \/>\n<span class=\"token keyword\">JOIN<\/span> pg_user<span class=\"token punctuation\">.<\/span><span class=\"token keyword\">public<\/span><span class=\"token punctuation\">.<\/span>users u<br \/>\n  <span class=\"token keyword\">ON<\/span> o<span class=\"token punctuation\">.<\/span>user_id <span class=\"token operator\">&#061;<\/span> u<span class=\"token punctuation\">.<\/span>id<br \/>\n<span class=\"token keyword\">WHERE<\/span> u<span class=\"token punctuation\">.<\/span>user_level <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;VIP&#039;<\/span><br \/>\n<span class=\"token keyword\">GROUP<\/span> <span class=\"token keyword\">BY<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u540e\u7eed\u5206\u6790\u76f4\u63a5\u67e5\u672c\u5730\u8868&#xff0c;\u907f\u514d\u91cd\u590d\u8bbf\u95ee\u6e90\u5e93\u3002<\/p>\n<h4>3. \u589e\u91cf\u52a0\u5de5<\/h4>\n<p><span class=\"token keyword\">INSERT<\/span> <span class=\"token keyword\">INTO<\/span> vip_order_summary<br \/>\n<span class=\"token keyword\">SELECT<\/span><br \/>\n    u<span class=\"token punctuation\">.<\/span>channel<span class=\"token punctuation\">,<\/span><br \/>\n    date_trunc<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;month&#039;<\/span><span class=\"token punctuation\">,<\/span> o<span class=\"token punctuation\">.<\/span>created_at<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">AS<\/span> <span class=\"token keyword\">month<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token function\">count<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">AS<\/span> order_cnt<span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token function\">sum<\/span><span class=\"token punctuation\">(<\/span>o<span class=\"token punctuation\">.<\/span>amount<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">AS<\/span> gmv<span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token function\">avg<\/span><span class=\"token punctuation\">(<\/span>o<span class=\"token punctuation\">.<\/span>amount<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">AS<\/span> avg_order_amount<br \/>\n<span class=\"token keyword\">FROM<\/span> mysql_sales<span class=\"token punctuation\">.<\/span>sales<span class=\"token punctuation\">.<\/span>orders o<br \/>\n<span class=\"token keyword\">JOIN<\/span> pg_user<span class=\"token punctuation\">.<\/span><span class=\"token keyword\">public<\/span><span class=\"token punctuation\">.<\/span>users u<br \/>\n  <span class=\"token keyword\">ON<\/span> o<span class=\"token punctuation\">.<\/span>user_id <span class=\"token operator\">&#061;<\/span> u<span class=\"token punctuation\">.<\/span>id<br \/>\n<span class=\"token keyword\">WHERE<\/span> o<span class=\"token punctuation\">.<\/span>created_at <span class=\"token operator\">&gt;&#061;<\/span> <span class=\"token keyword\">current_date<\/span> <span class=\"token operator\">&#8211;<\/span> <span class=\"token keyword\">INTERVAL<\/span> <span class=\"token number\">1<\/span> <span class=\"token keyword\">DAY<\/span><br \/>\n  <span class=\"token operator\">AND<\/span> u<span class=\"token punctuation\">.<\/span>user_level <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;VIP&#039;<\/span><br \/>\n<span class=\"token keyword\">GROUP<\/span> <span class=\"token keyword\">BY<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u914d\u5408\u8c03\u5ea6&#xff0c;\u5c31\u53ef\u4ee5\u5f62\u6210\u8f7b\u91cf\u7ea7\u7684\u6570\u636e\u52a0\u5de5\u94fe\u8def\u3002<\/p>\n<hr \/>\n<h3>\u4e94\u3001DuckDB \u8de8\u5e93\u5206\u6790&#xff0c;\u6709\u54ea\u4e9b\u5b9e\u8df5\u5efa\u8bae&#xff1f;<\/h3>\n<p>DuckDB \u5f88\u5f3a&#xff0c;\u4f46\u4e5f\u8981\u7528\u5bf9\u573a\u666f\u3002<\/p>\n<h4>1. \u6e90\u5e93\u8d26\u53f7\u5c3d\u91cf\u53ea\u8bfb<\/h4>\n<p>\u8de8\u5e93\u5206\u6790\u4e3b\u8981\u662f\u201c\u8bfb\u201d&#xff0c;\u5efa\u8bae\u7ed9 DuckDB \u914d\u7f6e\u53ea\u8bfb\u8d26\u53f7&#xff0c;\u907f\u514d\u8bef\u64cd\u4f5c\u751f\u4ea7\u5e93\u3002<\/p>\n<h4>2. \u8fc7\u6ee4\u6761\u4ef6\u5c3d\u91cf\u4e0b\u63a8<\/h4>\n<p>\u867d\u7136 DuckDB \u4f1a\u505a\u4f18\u5316&#xff0c;\u4f46\u8de8\u5e93 JOIN \u4ecd\u7136\u53ef\u80fd\u4ea7\u751f\u7f51\u7edc\u4f20\u8f93\u3002\u80fd\u63d0\u524d\u8fc7\u6ee4\u7684&#xff0c;\u5c3d\u91cf\u63d0\u524d\u8fc7\u6ee4&#xff1a;<\/p>\n<p><span class=\"token keyword\">WHERE<\/span> o<span class=\"token punctuation\">.<\/span>created_at <span class=\"token operator\">&gt;&#061;<\/span> <span class=\"token keyword\">current_date<\/span> <span class=\"token operator\">&#8211;<\/span> <span class=\"token keyword\">INTERVAL<\/span> <span class=\"token number\">7<\/span> <span class=\"token keyword\">DAY<\/span><\/p>\n<p>\u4e0d\u8981\u4e00\u4e0a\u6765\u5c31 SELECT * \u626b\u5168\u8868\u3002<\/p>\n<h4>3. \u5927\u8868 JOIN \u8981\u63a7\u5236\u6570\u636e\u91cf<\/h4>\n<p>\u5982\u679c\u4e24\u5f20\u8868\u90fd\u5f88\u5927&#xff0c;\u8de8\u5e93 JOIN \u7684\u7f51\u7edc\u548c\u5185\u5b58\u6210\u672c\u4f1a\u4e0a\u5347\u3002\u53ef\u4ee5\u8003\u8651&#xff1a;<\/p>\n<ul>\n<li>\u5148\u805a\u5408\u518d\u5173\u8054&#xff1b;<\/li>\n<li>\u628a\u7ef4\u5ea6\u8868\u540c\u6b65\u5230\u672c\u5730&#xff1b;<\/li>\n<li>\u628a\u7ed3\u679c\u7269\u5316\u6210 Parquet \u6216\u672c\u5730\u8868&#xff1b;<\/li>\n<li>\u5bf9\u9ad8\u9891\u5206\u6790\u5efa\u7acb\u56fa\u5b9a\u52a0\u5de5\u4efb\u52a1\u3002<\/li>\n<\/ul>\n<h4>4. ATTACH \u662f\u4f1a\u8bdd\u7ea7\u7684<\/h4>\n<p>ATTACH \u6302\u8f7d\u901a\u5e38\u53ea\u5728\u5f53\u524d\u8fde\u63a5\u4f1a\u8bdd\u5185\u6709\u6548\u3002\u5e94\u7528\u96c6\u6210\u65f6&#xff0c;\u9700\u8981\u5728\u8fde\u63a5\u521d\u59cb\u5316\u65f6\u7edf\u4e00\u6267\u884c\u6302\u8f7d&#xff0c;\u6216\u8005\u4f7f\u7528\u652f\u6301 catalog \u7ba1\u7406\u7684\u5e73\u53f0\u6765\u6258\u7ba1\u8fd9\u4e9b\u8fde\u63a5\u3002<\/p>\n<h4>5. DuckDB \u4e0d\u662f OLTP \u6570\u636e\u5e93<\/h4>\n<p>\u5b83\u9002\u5408\u5206\u6790&#xff0c;\u4e0d\u9002\u5408\u9ad8\u5e76\u53d1\u4e8b\u52a1\u5199\u5165\u3002\u751f\u4ea7\u4e0a\u66f4\u5408\u7406\u7684\u5b9a\u4f4d\u662f&#xff1a;<\/p>\n<ul>\n<li>\u5206\u6790\u8ba1\u7b97\u5f15\u64ce&#xff1b;<\/li>\n<li>\u8f7b\u91cf\u6570\u4ed3&#xff1b;<\/li>\n<li>\u6570\u636e\u52a0\u5de5\u4e2d\u95f4\u5c42&#xff1b;<\/li>\n<li>\u8de8\u5e93\u8054\u90a6\u67e5\u8be2\u5165\u53e3\u3002<\/li>\n<\/ul>\n<hr \/>\n<h3>\u516d\u3001DataY&#xff1a;\u628a DuckDB \u7684\u80fd\u529b\u4ea7\u54c1\u5316<\/h3>\n<p>DuckDB \u5f88\u597d\u7528&#xff0c;\u4f46\u5982\u679c\u8981\u8ba9\u56e2\u961f\u4e00\u8d77\u7528&#xff0c;\u8fd8\u4f1a\u9047\u5230\u65b0\u7684\u95ee\u9898&#xff1a;<\/p>\n<ul>\n<li>\u6570\u636e\u6e90\u600e\u4e48\u7edf\u4e00\u7ba1\u7406&#xff1f;<\/li>\n<li>ATTACH \u6302\u8f7d\u600e\u4e48\u914d\u7f6e&#xff1f;<\/li>\n<li>\u8de8\u5e93\u67e5\u8be2\u600e\u4e48\u505a\u6743\u9650\u9694\u79bb&#xff1f;<\/li>\n<li>\u52a0\u5de5\u4efb\u52a1\u600e\u4e48\u8c03\u5ea6&#xff1f;<\/li>\n<li>\u7ed3\u679c\u600e\u4e48\u5efa\u6a21\u3001\u600e\u4e48\u95ee\u6570&#xff1f;<\/li>\n<li>\u4e1a\u52a1\u4eba\u5458\u4e0d\u4f1a\u5199 SQL \u600e\u4e48\u529e&#xff1f;<\/li>\n<\/ul>\n<p>DataY \u5c31\u662f\u5728\u8fd9\u4e2a\u80cc\u666f\u4e0b\u505a\u7684\u4e00\u4f53\u5316\u8f7b\u91cf\u6570\u636e\u5e73\u53f0\u3002<\/p>\n<p>DataY \u7684\u5b9a\u4f4d\u5f88\u660e\u786e&#xff1a;<\/p>\n<p>\u6570\u636e\u5e73\u53f0\u53ef\u4ee5\u5f88\u5c0f&#xff0c;\u529f\u80fd\u4e0d\u6253\u6298\u3002<\/p>\n<p>\u5b83\u628a\u6570\u636e\u96c6\u6210\u3001\u7ef4\u5ea6\u5efa\u6a21\u3001\u4efb\u52a1\u8c03\u5ea6\u3001\u9ad8\u6027\u80fd\u6570\u4ed3\u548c\u667a\u80fd\u95ee\u6570&#xff0c;\u653e\u8fdb\u4e00\u5957\u53ef\u4ee5\u5355\u673a\u8fd0\u884c\u7684\u5e73\u53f0\u91cc\u3002<\/p>\n<h4>1. \u5185\u5d4c DuckDB&#xff0c;\u4e0d\u641e\u7ec4\u4ef6\u5730\u72f1<\/h4>\n<p>DataY \u5185\u7f6e DuckDB&#xff0c;\u4e0d\u9700\u8981\u989d\u5916\u90e8\u7f72\u4e00\u5957\u5206\u6790\u578b\u6570\u636e\u5e93\u3002<\/p>\n<p>\u4e00\u4e2a JAR&#xff0c;2 \u6838 4G&#xff0c;\u5c31\u80fd\u8dd1\u901a&#xff1a;<\/p>\n<p>\u6570\u636e\u96c6\u6210 \u2192 \u7ef4\u5ea6\u5efa\u6a21 \u2192 \u4efb\u52a1\u8c03\u5ea6 \u2192 \u9ad8\u6027\u80fd\u6570\u4ed3 \u2192 \u667a\u80fd\u95ee\u6570<\/p>\n<p>\u5bf9\u4e2d\u5c0f\u56e2\u961f\u6765\u8bf4&#xff0c;\u8fd9\u6bd4\u201c\u5148\u4e0a\u4e00\u5957\u5927\u6570\u636e\u5e73\u53f0\u201d\u73b0\u5b9e\u5f97\u591a\u3002<\/p>\n<h4>2. \u8de8\u5e93\u67e5\u8be2\u4e0e catalog \u7ba1\u7406<\/h4>\n<p>DataY \u7684\u6570\u636e\u67e5\u8be2\u9875\u652f\u6301 DuckDB catalog \u6d4f\u89c8\u3002<\/p>\n<p>\u6267\u884c&#xff1a;<\/p>\n<p>ATTACH <span class=\"token string\">&#039;mysql:\/\/reader:******&#064;10.0.0.12:3306\/sales&#039;<\/span><br \/>\n<span class=\"token keyword\">AS<\/span> mysql_sales<br \/>\n<span class=\"token punctuation\">(<\/span><span class=\"token keyword\">TYPE<\/span> mysql<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u5de6\u4fa7\u76ee\u5f55\u4f1a\u81ea\u52a8\u5c55\u793a\u6302\u8f7d\u540e\u7684\u6570\u636e\u5e93\u3001schema \u548c\u8868\u3002<\/p>\n<p>\u8fd9\u610f\u5473\u7740&#xff0c;MySQL\u3001PostgreSQL\u3001DuckDB \u672c\u5730\u5e93\u548c\u6587\u4ef6\u6570\u636e&#xff0c;\u53ef\u4ee5\u5728\u540c\u4e00\u4e2a\u67e5\u8be2\u754c\u9762\u91cc\u88ab\u7edf\u4e00\u8bbf\u95ee\u3002<\/p>\n<h4>3. \u4ece\u201c\u67e5\u4e00\u6b21\u201d\u5230\u201c\u7a33\u5b9a\u8dd1\u201d<\/h4>\n<p>\u4e34\u65f6\u5206\u6790\u7528 DuckDB \u5f88\u8212\u670d&#xff0c;\u4f46\u4e1a\u52a1\u771f\u6b63\u9700\u8981\u7684\u662f\u53ef\u91cd\u590d\u3001\u53ef\u8c03\u5ea6\u3001\u53ef\u76d1\u63a7\u3002<\/p>\n<p>DataY \u63d0\u4f9b&#xff1a;<\/p>\n<ul>\n<li>\u53ef\u89c6\u5316 ETL \u6570\u636e\u6d41&#xff1b;<\/li>\n<li>MySQL \/ PostgreSQL \/ Oracle CDC&#xff1b;<\/li>\n<li>Cron \u4e0e DAG \u8c03\u5ea6&#xff1b;<\/li>\n<li>\u7ef4\u5ea6\u5efa\u6a21\u4e0e\u6307\u6807\u7ba1\u7406&#xff1b;<\/li>\n<li>DuckDB \/ DuckLake \u6570\u4ed3&#xff1b;<\/li>\n<li>AI \u667a\u80fd\u95ee\u6570&#xff1b;<\/li>\n<li>MCP Harness&#xff0c;\u8ba9 Agent \u76f4\u63a5\u64cd\u4f5c\u5e73\u53f0\u5bf9\u8c61\u3002<\/li>\n<\/ul>\n<p>\u5b83\u628a DuckDB \u4ece\u4e00\u4e2a\u201c\u597d\u7528\u7684\u5206\u6790\u5e93\u201d&#xff0c;\u53d8\u6210\u4e86\u56e2\u961f\u53ef\u4ee5\u65e5\u5e38\u4f7f\u7528\u7684\u6570\u636e\u5e73\u53f0\u3002<\/p>\n<hr \/>\n<h3>\u4e03\u3001\u603b\u7ed3<\/h3>\n<p>DuckDB \u5e26\u6765\u7684\u6700\u5927\u53d8\u5316&#xff0c;\u4e0d\u662f\u201c\u53c8\u591a\u4e86\u4e00\u4e2a\u6570\u636e\u5e93\u201d&#xff0c;\u800c\u662f&#xff1a;<\/p>\n<p>\u5f88\u591a\u8de8\u5e93\u5206\u6790&#xff0c;\u4e0d\u518d\u9700\u8981\u5148\u642c\u8fd0\u6570\u636e\u3002<\/p>\n<p>\u4e00\u6761 ATTACH&#xff0c;\u52a0\u4e0a\u4e00\u6761 JOIN&#xff0c;\u5c31\u80fd\u628a MySQL\u3001PostgreSQL\u3001Parquet\u3001CSV \u653e\u8fdb\u540c\u4e00\u4e2a\u5206\u6790\u4e0a\u4e0b\u6587\u3002<\/p>\n<p>\u5bf9\u4e2a\u4eba\u548c\u5c0f\u56e2\u961f\u6765\u8bf4&#xff0c;\u8fd9\u662f\u6548\u7387\u5de5\u5177&#xff1b;<\/p>\n<p>\u5bf9\u5e73\u53f0\u6765\u8bf4&#xff0c;\u8fd9\u662f\u65b0\u7684\u6570\u636e\u96c6\u6210\u4e0e\u5206\u6790\u5e95\u5ea7\u3002<\/p>\n<p>\u800c DataY \u505a\u7684\u4e8b\u60c5&#xff0c;\u662f\u628a\u8fd9\u5957\u80fd\u529b\u5de5\u7a0b\u5316&#xff1a;<\/p>\n<ul>\n<li>\u7528 DuckDB \u505a\u8ba1\u7b97&#xff1b;<\/li>\n<li>\u7528\u53ef\u89c6\u5316\u5e73\u53f0\u505a\u7ba1\u7406&#xff1b;<\/li>\n<li>\u7528\u8c03\u5ea6\u548c\u5efa\u6a21\u505a\u6c89\u6dc0&#xff1b;<\/li>\n<li>\u7528 AI \u964d\u4f4e\u4f7f\u7528\u95e8\u69db\u3002<\/li>\n<\/ul>\n<p>\u5982\u679c\u4f60\u4e5f\u5728\u88ab\u201c\u8de8\u5e93\u53d6\u6570\u3001\u4e34\u65f6\u5206\u6790\u3001\u8f7b\u91cf\u6570\u4ed3\u201d\u56f0\u6270&#xff0c;\u4e0d\u59a8\u8bd5\u8bd5 DuckDB\u3002<\/p>\n<p>\u5982\u679c\u4f60\u5e0c\u671b\u56e2\u961f\u76f4\u63a5\u62e5\u6709\u4e00\u4e2a\u5f00\u7bb1\u5373\u7528\u7684\u5e73\u53f0&#xff0c;\u53ef\u4ee5\u770b\u770b DataY\u3002<\/p>\n<p>\u5feb\u901f\u5f00\u59cb&#xff1a;<\/p>\n<p><span class=\"token function\">git<\/span> clone https:\/\/github.com\/yuyuejia\/datay<br \/>\n<span class=\"token builtin class-name\">cd<\/span> datay<br \/>\nmvn clean package <span class=\"token parameter variable\">-DskipTests<\/span><br \/>\n<span class=\"token function\">java<\/span> <span class=\"token parameter variable\">-jar<\/span> datay-web\/target\/*.jar <span class=\"token parameter variable\">&#8211;DATAY_AI_API_KEY<\/span><span class=\"token operator\">&#061;<\/span>sk-xxxxxxxxx<br \/>\n<span class=\"token comment\"># \u6d4f\u89c8\u5668\u6253\u5f00 http:\/\/localhost:8080&#xff0c;\u9ed8\u8ba4\u8d26\u53f7 admin\/admin<\/span><\/p>\n<p>\u4e5f\u53ef\u4ee5\u53ea\u7528~~ Core&#xff1a;<\/p>\n<p><span class=\"token function\">java<\/span> <span class=\"token parameter variable\">-jar<\/span> datay-core\/target\/datay-core-*-jar-with-dependencies.jar taskConfig.json<\/p>\n<p>\u4ea7\u54c1\u9996\u9875&#xff1a;http:\/\/datay.yuyuejia.com.cn\/ \u5728\u7ebf\u4f53\u9a8c&#xff1a;http:\/\/datay-demo.yuyuejia.com.cn\/ \u9879\u76ee\u5730\u5740&#xff1a;https:\/\/github.com\/yuyuejia\/datay<\/p>\n<p>\u6570\u636e\u5e73\u53f0\u53ef\u4ee5\u5f88\u5c0f&#xff0c;\u529f\u80fd\u4e0d\u6253\u6298\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6253\u901a MySQL\u3001PostgreSQL \u548c\u672c\u5730\u6587\u4ef6&#xff1a;\u7528 DuckDB \u505a\u8de8\u5e93\u5206\u6790<br \/>\n\u4e00\u3001\u5148\u8bf4\u75db\u70b9&#xff1a;\u6570\u636e\u8d8a\u6765\u8d8a\u591a&#xff0c;\u5206\u6790\u5374\u8d8a\u6765\u8d8a\u9ebb\u70e6<br \/>\n\u5f88\u591a\u56e2\u961f\u7684\u771f\u5b9e\u60c5\u51b5\u662f&#xff1a;<br \/>\n\u8ba2\u5355\u5728 MySQL&#xff1b;\u7528\u6237\u548c\u6743\u9650\u5728 PostgreSQL&#xff1b;\u65e5\u5fd7\u3001\u57cb\u70b9\u3001\u5bfc\u51fa\u6587\u4ef6\u662f CSV \/ Parquet&#xff1b;\u8d22\u52a1\u548c\u5206\u6790\u5e08\u624b\u91cc\u8fd8\u6709\u4e00\u5806 Excel&#xff1b;\u5386\u53f2\u6570\u636e\u53ef\u80fd\u8eba\u5728\u5bf9\u8c61\u5b58\u50a8\u91cc\u3002<br \/>\n\u60f3\u505a\u4e00\u4e2a\u7a0d\u5fae\u5b8c\u6574\u4e00\u70b9\u7684\u5206\u6790&amp;#x<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[114,954,100],"topic":[],"class_list":["post-120791","post","type-post","status-publish","format-standard","hentry","category-server","tag-mysql","tag-postgresql","tag-100"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u6253\u901a MySQL\u3001PostgreSQL \u548c\u672c\u5730\u6587\u4ef6\uff1a\u7528 DuckDB \u505a\u8de8\u5e93\u5206\u6790 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/120791.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u6253\u901a MySQL\u3001PostgreSQL \u548c\u672c\u5730\u6587\u4ef6\uff1a\u7528 DuckDB \u505a\u8de8\u5e93\u5206\u6790 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u6253\u901a MySQL\u3001PostgreSQL \u548c\u672c\u5730\u6587\u4ef6&#xff1a;\u7528 DuckDB \u505a\u8de8\u5e93\u5206\u6790 \u4e00\u3001\u5148\u8bf4\u75db\u70b9&#xff1a;\u6570\u636e\u8d8a\u6765\u8d8a\u591a&#xff0c;\u5206\u6790\u5374\u8d8a\u6765\u8d8a\u9ebb\u70e6 \u5f88\u591a\u56e2\u961f\u7684\u771f\u5b9e\u60c5\u51b5\u662f&#xff1a; \u8ba2\u5355\u5728 MySQL&#xff1b;\u7528\u6237\u548c\u6743\u9650\u5728 PostgreSQL&#xff1b;\u65e5\u5fd7\u3001\u57cb\u70b9\u3001\u5bfc\u51fa\u6587\u4ef6\u662f CSV \/ Parquet&#xff1b;\u8d22\u52a1\u548c\u5206\u6790\u5e08\u624b\u91cc\u8fd8\u6709\u4e00\u5806 Excel&#xff1b;\u5386\u53f2\u6570\u636e\u53ef\u80fd\u8eba\u5728\u5bf9\u8c61\u5b58\u50a8\u91cc\u3002 \u60f3\u505a\u4e00\u4e2a\u7a0d\u5fae\u5b8c\u6574\u4e00\u70b9\u7684\u5206\u6790&amp;#x\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/120791.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-11-01T03:40:39+00:00\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/120791.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/120791.html\",\"name\":\"\u6253\u901a MySQL\u3001PostgreSQL \u548c\u672c\u5730\u6587\u4ef6\uff1a\u7528 DuckDB \u505a\u8de8\u5e93\u5206\u6790 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2026-11-01T03:40:39+00:00\",\"dateModified\":\"2026-11-01T03:40:39+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/120791.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/120791.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/120791.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u6253\u901a MySQL\u3001PostgreSQL \u548c\u672c\u5730\u6587\u4ef6\uff1a\u7528 DuckDB \u505a\u8de8\u5e93\u5206\u6790\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\",\"url\":\"https:\/\/www.wsisp.com\/helps\/\",\"name\":\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"description\":\"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"contentUrl\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"caption\":\"admin\"},\"sameAs\":[\"http:\/\/wp.wsisp.com\"],\"url\":\"https:\/\/www.wsisp.com\/helps\/author\/admin\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u6253\u901a MySQL\u3001PostgreSQL \u548c\u672c\u5730\u6587\u4ef6\uff1a\u7528 DuckDB \u505a\u8de8\u5e93\u5206\u6790 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wsisp.com\/helps\/120791.html","og_locale":"zh_CN","og_type":"article","og_title":"\u6253\u901a MySQL\u3001PostgreSQL \u548c\u672c\u5730\u6587\u4ef6\uff1a\u7528 DuckDB \u505a\u8de8\u5e93\u5206\u6790 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"\u6253\u901a MySQL\u3001PostgreSQL \u548c\u672c\u5730\u6587\u4ef6&#xff1a;\u7528 DuckDB \u505a\u8de8\u5e93\u5206\u6790 \u4e00\u3001\u5148\u8bf4\u75db\u70b9&#xff1a;\u6570\u636e\u8d8a\u6765\u8d8a\u591a&#xff0c;\u5206\u6790\u5374\u8d8a\u6765\u8d8a\u9ebb\u70e6 \u5f88\u591a\u56e2\u961f\u7684\u771f\u5b9e\u60c5\u51b5\u662f&#xff1a; \u8ba2\u5355\u5728 MySQL&#xff1b;\u7528\u6237\u548c\u6743\u9650\u5728 PostgreSQL&#xff1b;\u65e5\u5fd7\u3001\u57cb\u70b9\u3001\u5bfc\u51fa\u6587\u4ef6\u662f CSV \/ Parquet&#xff1b;\u8d22\u52a1\u548c\u5206\u6790\u5e08\u624b\u91cc\u8fd8\u6709\u4e00\u5806 Excel&#xff1b;\u5386\u53f2\u6570\u636e\u53ef\u80fd\u8eba\u5728\u5bf9\u8c61\u5b58\u50a8\u91cc\u3002 \u60f3\u505a\u4e00\u4e2a\u7a0d\u5fae\u5b8c\u6574\u4e00\u70b9\u7684\u5206\u6790&amp;#x","og_url":"https:\/\/www.wsisp.com\/helps\/120791.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2026-11-01T03:40:39+00:00","author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"4 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/120791.html","url":"https:\/\/www.wsisp.com\/helps\/120791.html","name":"\u6253\u901a MySQL\u3001PostgreSQL \u548c\u672c\u5730\u6587\u4ef6\uff1a\u7528 DuckDB \u505a\u8de8\u5e93\u5206\u6790 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","isPartOf":{"@id":"https:\/\/www.wsisp.com\/helps\/#website"},"datePublished":"2026-11-01T03:40:39+00:00","dateModified":"2026-11-01T03:40:39+00:00","author":{"@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41"},"breadcrumb":{"@id":"https:\/\/www.wsisp.com\/helps\/120791.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wsisp.com\/helps\/120791.html"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wsisp.com\/helps\/120791.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wsisp.com\/helps"},{"@type":"ListItem","position":2,"name":"\u6253\u901a MySQL\u3001PostgreSQL \u548c\u672c\u5730\u6587\u4ef6\uff1a\u7528 DuckDB \u505a\u8de8\u5e93\u5206\u6790"}]},{"@type":"WebSite","@id":"https:\/\/www.wsisp.com\/helps\/#website","url":"https:\/\/www.wsisp.com\/helps\/","name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","description":"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41","name":"admin","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/","url":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","contentUrl":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","caption":"admin"},"sameAs":["http:\/\/wp.wsisp.com"],"url":"https:\/\/www.wsisp.com\/helps\/author\/admin"}]}},"_links":{"self":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/120791","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/comments?post=120791"}],"version-history":[{"count":0,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/120791\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media?parent=120791"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/categories?post=120791"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/tags?post=120791"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/topic?post=120791"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}