{"id":193375,"date":"2024-11-12T21:39:21","date_gmt":"2024-11-12T13:39:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/193375\/"},"modified":"2024-11-12T21:39:22","modified_gmt":"2024-11-12T13:39:22","slug":"%e5%ad%b8%e5%a5%bd%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%8c%e4%bd%a0%e9%9c%80%e8%a6%81%e6%8e%8c%e6%8f%a1%e5%93%aa%e4%ba%9b%e6%8a%80%e8%83%bd%e5%92%8c%e6%96%b9%e6%b3%95%ef%bc%9f-%e6%80%8e%e6%a8%a3%e5%ad%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/193375\/","title":{"rendered":"\u5b78\u597d\u6578\u64da\u5eab\uff0c\u4f60\u9700\u8981\u638c\u63e1\u54ea\u4e9b\u6280\u80fd\u548c\u65b9\u6cd5\uff1f (\u600e\u6a23\u5b78\u597d\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"%e5%ad%b8%e5%a5%bd%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%8c%e4%bd%a0%e9%9c%80%e8%a6%81%e6%8e%8c%e6%8f%a1%e5%93%aa%e4%ba%9b%e6%8a%80%e8%83%bd%e5%92%8c%e6%96%b9%e6%b3%95%ef%bc%9f-AzBdWZiyTj\">\u5b78\u597d\u6578\u64da\u5eab\uff0c\u4f60\u9700\u8981\u638c\u63e1\u54ea\u4e9b\u6280\u80fd\u548c\u65b9\u6cd5\uff1f<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u7ba1\u7406\u548c\u64cd\u4f5c\u6210\u70ba\u4e86\u8a31\u591a\u884c\u696d\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u6280\u80fd\u3002\u7121\u8ad6\u662f\u958b\u767c\u8005\u3001\u6578\u64da\u5206\u6790\u5e2b\u9084\u662f\u7cfb\u7d71\u7ba1\u7406\u54e1\uff0c\u638c\u63e1\u6578\u64da\u5eab\u7684\u77e5\u8b58\u90fd\u80fd\u986f\u8457\u63d0\u5347\u5de5\u4f5c\u6548\u7387\u548c\u8077\u696d\u7af6\u722d\u529b\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5b78\u7fd2\u6578\u64da\u5eab\u6240\u9700\u7684\u6280\u80fd\u548c\u65b9\u6cd5\uff0c\u5e6b\u52a9\u4f60\u5728\u9019\u4e00\u9818\u57df\u4e2d\u53d6\u5f97\u6210\u529f\u3002<\/p>\n<h2 id=\"1-%e7%90%86%e8%a7%a3%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-AzBdWZiyTj\">1. \u7406\u89e3\u6578\u64da\u5eab\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u5b78\u7fd2\u6578\u64da\u5eab\u7684\u7b2c\u4e00\u6b65\u662f\u7406\u89e3\u5176\u57fa\u672c\u6982\u5ff5\u3002\u6578\u64da\u5eab\u662f\u4e00\u7a2e\u6709\u7d44\u7e54\u7684\u6578\u64da\u96c6\u5408\uff0c\u901a\u5e38\u7531\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff08DBMS\uff09\u4f86\u7ba1\u7406\u3002\u5e38\u898b\u7684\u6578\u64da\u5eab\u985e\u578b\u5305\u62ec\u95dc\u4fc2\u578b\u6578\u64da\u5eab\uff08\u5982 MySQL\u3001PostgreSQL\uff09\u548c\u975e\u95dc\u4fc2\u578b\u6578\u64da\u5eab\uff08\u5982 MongoDB\u3001Cassandra\uff09\u3002<\/p>\n<ul>\n<li><strong>\u95dc\u4fc2\u578b\u6578\u64da\u5eab\uff1a<\/strong>\u4f7f\u7528\u8868\u683c\u4f86\u5b58\u5132\u6578\u64da\uff0c\u4e26\u901a\u904e SQL\uff08\u7d50\u69cb\u5316\u67e5\u8a62\u8a9e\u8a00\uff09\u9032\u884c\u64cd\u4f5c\u3002<\/li>\n<li><strong>\u975e\u95dc\u4fc2\u578b\u6578\u64da\u5eab\uff1a<\/strong>\u4ee5\u6587\u6a94\u3001\u9375\u503c\u5c0d\u6216\u5716\u5f62\u7684\u5f62\u5f0f\u5b58\u5132\u6578\u64da\uff0c\u9069\u5408\u8655\u7406\u5927\u898f\u6a21\u548c\u591a\u6a23\u5316\u7684\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"2-%e5%ad%b8%e7%bf%92-sql-%e8%aa%9e%e8%a8%80-AzBdWZiyTj\">2. \u5b78\u7fd2 SQL \u8a9e\u8a00<\/h2>\n<p>SQL \u662f\u64cd\u4f5c\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7684\u4e3b\u8981\u8a9e\u8a00\u3002\u638c\u63e1 SQL \u80fd\u5920\u8b93\u4f60\u6709\u6548\u5730\u67e5\u8a62\u3001\u63d2\u5165\u3001\u66f4\u65b0\u548c\u522a\u9664\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u57fa\u672c\u7684 SQL \u8a9e\u53e5\u793a\u4f8b\uff1a<\/p>\n<pre><code>-- \u67e5\u8a62\u6240\u6709\u7528\u6236\nSELECT * FROM users;\n\n-- \u63d2\u5165\u65b0\u7528\u6236\nINSERT INTO users (name, email) VALUES ('John Doe', 'john@example.com');\n\n-- \u66f4\u65b0\u7528\u6236\u4fe1\u606f\nUPDATE users SET email = 'john.doe@example.com' WHERE name = 'John Doe';\n\n-- \u522a\u9664\u7528\u6236\nDELETE FROM users WHERE name = 'John Doe';\n<\/code><\/pre>\n<h2 id=\"3-%e7%86%9f%e6%82%89%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a8%ad%e8%a8%88%e5%8e%9f%e5%89%87-AzBdWZiyTj\">3. 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id=\"4-%e6%8e%8c%e6%8f%a1%e6%95%b8%e6%93%9a%e5%ba%ab%e7%ae%a1%e7%90%86%e5%92%8c%e7%b6%ad%e8%ad%b7%e6%8a%80%e8%83%bd-AzBdWZiyTj\">4. 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id=\"5-%e5%af%a6%e8%b8%90%e8%88%87%e9%a0%85%e7%9b%ae%e7%b6%93%e9%a9%97-AzBdWZiyTj\">5. 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id=\"%e7%b8%bd%e7%b5%90-AzBdWZiyTj\">\u7e3d\u7d50<\/h2>\n<p>\u5b78\u597d\u6578\u64da\u5eab\u9700\u8981\u638c\u63e1\u591a\u65b9\u9762\u7684\u6280\u80fd\uff0c\u5305\u62ec\u57fa\u672c\u6982\u5ff5\u3001SQL \u8a9e\u8a00\u3001\u6578\u64da\u5eab\u8a2d\u8a08\u539f\u5247\u3001\u7ba1\u7406\u7dad\u8b77\u6280\u80fd\u4ee5\u53ca\u5be6\u8e10\u7d93\u9a57\u3002\u96a8\u8457\u6280\u8853\u7684\u767c\u5c55\uff0c\u6578\u64da\u5eab\u7684\u61c9\u7528\u7bc4\u570d\u4e5f\u5728\u4e0d\u65b7\u64f4\u5927\uff0c\u638c\u63e1\u9019\u4e9b\u6280\u80fd\u5c07\u4f7f\u4f60\u5728\u8077\u5834\u4e2d\u66f4\u5177\u7af6\u722d\u529b\u3002\u5982\u679c\u4f60\u9700\u8981\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u4f86\u652f\u6301\u4f60\u7684\u9805\u76ee\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u5b89\u5168\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u597d\u6578\u64da\u5eab\u9700\u638c\u63e1SQL\u8a9e\u8a00\u3001\u6578\u64da\u5efa\u6a21\u3001\u6027\u80fd\u512a\u5316\u53ca\u6578\u64da\u5b89\u5168\u7b49\u6280\u80fd\uff0c\u4e26\u904b\u7528\u5be6\u8e10\u65b9\u6cd5\u52a0\u5f37\u7406\u89e3\u8207\u61c9\u7528\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-193375","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/193375","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=193375"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/193375\/revisions"}],"predecessor-version":[{"id":193376,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/193375\/revisions\/193376"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=193375"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=193375"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=193375"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}