{"id":5932,"date":"2024-11-14T08:33:50","date_gmt":"2024-11-14T00:33:50","guid":{"rendered":"https:\/\/fwq.ai\/blog\/5932\/"},"modified":"2024-11-14T08:33:50","modified_gmt":"2024-11-14T00:33:50","slug":"sql%e8%84%9a%e6%9c%ac%e6%80%8e%e4%b9%88%e5%86%99","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/5932\/","title":{"rendered":"sql\u811a\u672c\u600e\u4e48\u5199"},"content":{"rendered":"<blockquote><p>\n  sql \u811a\u672c\u7f16\u5199\u6b65\u9aa4\uff1a\u4f7f\u7528 sql \u7f16\u8f91\u5668\u521b\u5efa\u65b0\u811a\u672c\uff1b\u7f16\u5199 sql \u8bed\u53e5\uff08\u4ee5\u5206\u53f7\u7ed3\u5c3e\uff09\uff1b\u6ce8\u91ca\u811a\u672c\u89e3\u91ca\u7528\u9014\uff1b\u4fdd\u5b58\u5e76\u8fd0\u884c\u811a\u672c\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202406\/03\/2024060322400123727.jpg\" class=\"aligncenter\" title=\"sql\u811a\u672c\u600e\u4e48\u5199\u63d2\u56fe\" alt=\"sql\u811a\u672c\u600e\u4e48\u5199\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u7f16\u5199 SQL \u811a\u672c<\/strong><\/p>\n<p>SQL\uff08\u7ed3\u6784\u5316\u67e5\u8be2\u8bed\u8a00\uff09\u811a\u672c\u662f\u4e00\u7cfb\u5217 SQL \u8bed\u53e5\uff0c\u7528\u4e8e\u5bf9\u6570\u636e\u5e93\u6267\u884c\u64cd\u4f5c\u3002\u5b83\u53ef\u4ee5\u7528\u6765\u521b\u5efa\u548c\u4fee\u6539\u6570\u636e\u5e93\u3001\u8868\u548c\u6570\u636e\u3002\u7f16\u5199 SQL \u811a\u672c\u65f6\uff0c\u8bf7\u9075\u5faa\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n<p><strong>1. \u4f7f\u7528 SQL \u7f16\u8f91\u5668<\/strong><\/p>\n<p>\u6253\u5f00\u4e00\u4e2a SQL \u7f16\u8f91\u5668\uff0c\u4f8b\u5982 MySQL Workbench \u6216 pgAdmin\u3002\u8fd9\u4e9b\u7f16\u8f91\u5668\u63d0\u4f9b\u8bed\u6cd5\u9ad8\u4eae\u3001\u81ea\u52a8\u5b8c\u6210\u529f\u80fd\u548c\u9519\u8bef\u68c0\u67e5\u7b49\u529f\u80fd\uff0c\u53ef\u4ee5\u5e2e\u52a9\u60a8\u7f16\u5199 SQL \u811a\u672c\u3002<\/p>\n<p><strong>2. \u521b\u5efa\u65b0\u811a\u672c<\/strong><\/p>\n<p>\u5728 SQL \u7f16\u8f91\u5668\u4e2d\uff0c\u521b\u5efa\u4e00\u4e2a\u65b0\u811a\u672c\u6587\u4ef6\u3002\u60a8\u53ef\u4ee5\u4e3a\u811a\u672c\u547d\u540d\u5e76\u5c06\u5176\u4fdd\u5b58\u5728\u65b9\u4fbf\u7684\u4f4d\u7f6e\u3002<\/p>\n<p><strong>3. \u7f16\u5199 SQL \u8bed\u53e5<\/strong><\/p>\n<p>\u5728\u811a\u672c\u6587\u4ef6\u4e2d\uff0c\u7f16\u5199\u6240\u9700\u7684 SQL \u8bed\u53e5\u3002\u8bed\u53e5\u5e94\u4ee5\u5206\u53f7 (;) \u7ed3\u5c3e\u3002\u4ee5\u4e0b\u662f\u7f16\u5199\u4e00\u4e9b\u5e38\u89c1\u64cd\u4f5c\u7684\u793a\u4f8b SQL \u8bed\u53e5\uff1a<\/p>\n<ul>\n<li> <strong>\u521b\u5efa\u8868\uff1a<\/strong>CREATE TABLE table_name (column_name data_type);<\/li>\n<li> <strong>\u63d2\u5165\u6570\u636e\uff1a<\/strong>INSERT INTO table_name (column_name) VALUES (value);<\/li>\n<li> <strong>\u66f4\u65b0\u6570\u636e\uff1a<\/strong>UPDATE table_name SET column_name = new_value WHERE condition;<\/li>\n<li> <strong>\u5220\u9664\u6570\u636e\uff1a<\/strong>DELETE FROM table_name WHERE condition;<\/li>\n<\/ul>\n<p><strong>4. \u6ce8\u91ca\u811a\u672c<\/strong><\/p>\n<p>\u5728\u8bed\u53e5\u4e2d\u6dfb\u52a0\u6ce8\u91ca\u4ee5\u89e3\u91ca\u5176\u7528\u9014\u3002\u8fd9\u5bf9\u4e8e\u7ef4\u62a4\u548c\u7406\u89e3\u811a\u672c\u6709\u5e2e\u52a9\u3002\u4f7f\u7528 &#8212; \u6216 \/* *\/ \u6ce8\u91ca\u8bed\u53e5\u3002<\/p>\n<p><strong>5. \u4fdd\u5b58\u5e76\u8fd0\u884c\u811a\u672c<\/strong><\/p>\n<p>\u5b8c\u6210\u7f16\u5199\u811a\u672c\u540e\uff0c\u5c06\u5176\u4fdd\u5b58\u3002\u5728 SQL \u7f16\u8f91\u5668\u4e2d\uff0c\u9009\u62e9\u811a\u672c\u5e76\u70b9\u51fb\u201c\u6267\u884c\u201d\u6309\u94ae\u3002<\/p>\n<p><strong>\u793a\u4f8b\u811a\u672c<\/strong><\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u521b\u5efa\u540d\u4e3a customers \u7684\u8868\u5e76\u63d2\u5165\u6570\u636e\u7684\u793a\u4f8b SQL \u811a\u672c\uff1a<\/p>\n<pre>-- \u521b\u5efa customers \u8868\nCREATE TABLE customers (\n    id INT PRIMARY KEY,\n    name VARCHAR(255),\n    email VARCHAR(255)\n);\n\n-- \u63d2\u5165\u6570\u636e\nINSERT INTO customers (id, name, email) VALUES\n(1, 'John Doe', 'john.doe@example.com'),\n(2, 'Jane Smith', 'jane.smith@example.com'),\n(3, 'Michael Jones', 'michael.jones@example.com');<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p><strong>\u63d0\u793a<\/strong><\/p>\n<ul>\n<li>\u7f16\u5199\u7b80\u6d01\u660e\u786e\u7684\u8bed\u53e5\u3002<\/li>\n<li>\u4f7f\u7528\u9002\u5f53\u7684\u547d\u540d\u7ea6\u5b9a\u3002<\/li>\n<li>\u5728\u6267\u884c\u811a\u672c\u4e4b\u524d\u68c0\u67e5\u8bed\u6cd5\u9519\u8bef\u3002<\/li>\n<li>\u4f7f\u7528\u4e8b\u52a1\u6765\u786e\u4fdd\u6570\u636e\u4e00\u81f4\u6027\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fsql\u811a\u672c\u600e\u4e48\u5199\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>sql \u811a\u672c\u7f16\u5199\u6b65\u9aa4\uff1a\u4f7f\u7528 sql \u7f16\u8f91\u5668\u521b\u5efa\u65b0\u811a\u672c\uff1b\u7f16\u5199 sql \u8bed\u53e5\uff08\u4ee5\u5206\u53f7\u7ed3\u5c3e\uff09\uff1b\u6ce8\u91ca\u811a\u672c\u89e3\u91ca\u7528\u9014\uff1b\u4fdd\u5b58\u5e76\u8fd0\u884c\u811a\u672c\u3002 \u5982\u4f55\u7f16\u5199 SQL \u811a\u672c SQL\uff08\u7ed3\u6784\u5316\u67e5\u8be2\u8bed\u8a00\uff09\u811a\u672c\u662f\u4e00\u7cfb\u5217 SQL \u8bed\u53e5\uff0c\u7528\u4e8e\u5bf9\u6570\u636e\u5e93\u6267\u884c\u64cd\u4f5c\u3002\u5b83\u53ef\u4ee5\u7528\u6765\u521b\u5efa\u548c\u4fee\u6539\u6570\u636e\u5e93\u3001\u8868\u548c\u6570\u636e\u3002\u7f16\u5199 SQL \u811a\u672c\u65f6\uff0c\u8bf7\u9075\u5faa\u4ee5\u4e0b\u6b65\u9aa4\uff1a 1. \u4f7f\u7528 SQL \u7f16\u8f91\u5668 \u6253\u5f00\u4e00\u4e2a SQL \u7f16\u8f91\u5668\uff0c\u4f8b\u5982 MySQL Workbench \u6216 pgAdmin\u3002\u8fd9\u4e9b\u7f16\u8f91\u5668\u63d0\u4f9b\u8bed\u6cd5\u9ad8\u4eae\u3001\u81ea\u52a8\u5b8c\u6210\u529f\u80fd\u548c\u9519\u8bef\u68c0\u67e5\u7b49\u529f\u80fd\uff0c\u53ef\u4ee5\u5e2e\u52a9\u60a8\u7f16\u5199 SQL \u811a\u672c\u3002 2. \u521b\u5efa\u65b0\u811a\u672c \u5728 SQL \u7f16\u8f91\u5668\u4e2d\uff0c\u521b\u5efa\u4e00\u4e2a\u65b0\u811a\u672c\u6587\u4ef6\u3002\u60a8\u53ef\u4ee5\u4e3a\u811a\u672c\u547d\u540d\u5e76\u5c06\u5176\u4fdd\u5b58\u5728\u65b9\u4fbf\u7684\u4f4d\u7f6e\u3002 3. \u7f16\u5199 SQL \u8bed\u53e5 \u5728\u811a\u672c\u6587\u4ef6\u4e2d\uff0c\u7f16\u5199\u6240\u9700\u7684 SQL \u8bed\u53e5\u3002\u8bed\u53e5\u5e94\u4ee5\u5206\u53f7 (;) \u7ed3\u5c3e\u3002\u4ee5\u4e0b\u662f\u7f16\u5199\u4e00\u4e9b\u5e38\u89c1\u64cd\u4f5c\u7684\u793a\u4f8b SQL \u8bed\u53e5\uff1a \u521b\u5efa\u8868\uff1aCREATE TABLE table_name (column_name data_type); \u63d2\u5165\u6570\u636e\uff1aINSERT INTO table_name (column_name) VALUES (value); \u66f4\u65b0\u6570\u636e\uff1aUPDATE [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-5932","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5932","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=5932"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5932\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=5932"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=5932"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=5932"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}