{"id":153527,"date":"2024-11-02T08:11:18","date_gmt":"2024-11-02T00:11:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/153527\/"},"modified":"2024-11-02T08:11:19","modified_gmt":"2024-11-02T00:11:19","slug":"%e9%81%94%e5%a4%a2%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84-sql%ef%bc%9a%e6%95%b8%e6%93%9a%e5%ba%ab%e7%ae%a1%e7%90%86%e7%9a%84%e5%be%97%e5%8a%9b%e5%b7%a5%e5%85%b7-%e9%81%94%e5%a4%a2%e6%95%b8%e6%93%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/153527\/","title":{"rendered":"\u9054\u5922\u6578\u64da\u5eab\u7684 SQL\uff1a\u6578\u64da\u5eab\u7ba1\u7406\u7684\u5f97\u529b\u5de5\u5177 (\u9054\u5922\u6578\u64da\u5eab\u7684 SQL)"},"content":{"rendered":"<h1 id=\"%e9%81%94%e5%a4%a2%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84-sql%ef%bc%9a%e6%95%b8%e6%93%9a%e5%ba%ab%e7%ae%a1%e7%90%86%e7%9a%84%e5%be%97%e5%8a%9b%e5%b7%a5%e5%85%b7-ZsTrBpxWYC\">\u9054\u5922\u6578\u64da\u5eab\u7684 SQL\uff1a\u6578\u64da\u5eab\u7ba1\u7406\u7684\u5f97\u529b\u5de5\u5177<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u6642\u4ee3\uff0c\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff08DBMS\uff09\u626e\u6f14\u8457\u81f3\u95dc\u91cd\u8981\u7684\u89d2\u8272\u3002\u9054\u5922\u6578\u64da\u5eab\uff08DM Database\uff09\u4f5c\u70ba\u4e00\u6b3e\u9ad8\u6548\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u5f37\u5927\u7684 SQL\uff08\u7d50\u69cb\u5316\u67e5\u8a62\u8a9e\u8a00\uff09\u529f\u80fd\uff0c\u5e6b\u52a9\u7528\u6236\u9ad8\u6548\u5730\u7ba1\u7406\u548c\u64cd\u4f5c\u6578\u64da\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9054\u5922\u6578\u64da\u5eab\u7684 SQL \u7279\u6027\u53ca\u5176\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\u7684\u61c9\u7528\u3002<\/p>\n<h2 id=\"%e9%81%94%e5%a4%a2%e6%95%b8%e6%93%9a%e5%ba%ab%e6%a6%82%e8%bf%b0-ZsTrBpxWYC\">\u9054\u5922\u6578\u64da\u5eab\u6982\u8ff0<\/h2>\n<p>\u9054\u5922\u6578\u64da\u5eab\u662f\u4e00\u6b3e\u7531\u4e2d\u570b\u516c\u53f8\u958b\u767c\u7684\u95dc\u806f\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u65e8\u5728\u63d0\u4f9b\u9ad8\u6027\u80fd\u3001\u9ad8\u53ef\u7528\u6027\u548c\u9ad8\u5b89\u5168\u6027\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\u3002\u5b83\u652f\u6301\u591a\u7a2e\u6578\u64da\u985e\u578b\u548c\u8907\u96dc\u7684\u67e5\u8a62\u64cd\u4f5c\uff0c\u4e26\u4e14\u80fd\u5920\u5728\u591a\u7a2e\u5e73\u53f0\u4e0a\u904b\u884c\uff0c\u9069\u5408\u5404\u985e\u578b\u7684\u61c9\u7528\u5834\u666f\u3002<\/p>\n<h2 id=\"sql-%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-ZsTrBpxWYC\">SQL \u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>SQL \u662f\u4e00\u7a2e\u7528\u65bc\u7ba1\u7406\u548c\u64cd\u4f5c\u95dc\u806f\u578b\u6578\u64da\u5eab\u7684\u6a19\u6e96\u8a9e\u8a00\u3002\u5b83\u5141\u8a31\u7528\u6236\u57f7\u884c\u5404\u7a2e\u64cd\u4f5c\uff0c\u5305\u62ec\u6578\u64da\u67e5\u8a62\u3001\u63d2\u5165\u3001\u66f4\u65b0\u548c\u522a\u9664\u3002\u9054\u5922\u6578\u64da\u5eab\u7684 SQL \u8a9e\u6cd5\u8207\u5176\u4ed6\u4e3b\u6d41\u6578\u64da\u5eab\u7cfb\u7d71\u76f8\u4f3c\uff0c\u4f46\u4e5f\u6709\u5176\u7368\u7279\u4e4b\u8655\u3002<\/p>\n<h3 id=\"%e5%9f%ba%e6%9c%ac-sql-%e8%aa%9e%e5%8f%a5-ZsTrBpxWYC\">\u57fa\u672c SQL \u8a9e\u53e5<\/h3>\n<ul>\n<li><strong>\u67e5\u8a62\u6578\u64da\uff1a<\/strong>\u4f7f\u7528 SELECT \u8a9e\u53e5\u4f86\u67e5\u8a62\u6578\u64da\u3002\u4f8b\u5982\uff1a<\/li>\n<pre><code>SELECT * FROM employees WHERE department = 'Sales';<\/code><\/pre>\n<li><strong>\u63d2\u5165\u6578\u64da\uff1a<\/strong>\u4f7f\u7528 INSERT INTO \u8a9e\u53e5\u4f86\u63d2\u5165\u65b0\u6578\u64da\u3002\u4f8b\u5982\uff1a<\/li>\n<pre><code>INSERT INTO employees (name, department) VALUES ('John Doe', 'Sales');<\/code><\/pre>\n<li><strong>\u66f4\u65b0\u6578\u64da\uff1a<\/strong>\u4f7f\u7528 UPDATE \u8a9e\u53e5\u4f86\u66f4\u65b0\u73fe\u6709\u6578\u64da\u3002\u4f8b\u5982\uff1a<\/li>\n<pre><code>UPDATE employees SET department = 'Marketing' WHERE name = 'John Doe';<\/code><\/pre>\n<li><strong>\u522a\u9664\u6578\u64da\uff1a<\/strong>\u4f7f\u7528 DELETE \u8a9e\u53e5\u4f86\u522a\u9664\u6578\u64da\u3002\u4f8b\u5982\uff1a<\/li>\n<pre><code>DELETE FROM employees WHERE name = 'John Doe';<\/code><\/pre>\n<\/ul>\n<h2 id=\"%e9%81%94%e5%a4%a2%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84-sql-%e7%89%b9%e6%80%a7-ZsTrBpxWYC\">\u9054\u5922\u6578\u64da\u5eab\u7684 SQL \u7279\u6027<\/h2>\n<p>\u9054\u5922\u6578\u64da\u5eab\u7684 SQL \u63d0\u4f9b\u4e86\u4e00\u4e9b\u7368\u7279\u7684\u7279\u6027\uff0c\u4f7f\u5176\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\u66f4\u5177\u512a\u52e2\uff1a<\/p>\n<h3 id=\"1-%e9%ab%98%e6%95%88%e7%9a%84%e6%9f%a5%e8%a9%a2%e5%84%aa%e5%8c%96-ZsTrBpxWYC\">1. \u9ad8\u6548\u7684\u67e5\u8a62\u512a\u5316<\/h3>\n<p>\u9054\u5922\u6578\u64da\u5eab\u5167\u5efa\u4e86\u5148\u9032\u7684\u67e5\u8a62\u512a\u5316\u5668\uff0c\u80fd\u5920\u81ea\u52d5\u9078\u64c7\u6700\u4f73\u7684\u57f7\u884c\u8a08\u5283\uff0c\u5f9e\u800c\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002\u9019\u5c0d\u65bc\u8655\u7406\u5927\u91cf\u6578\u64da\u7684\u61c9\u7528\u5c24\u70ba\u91cd\u8981\u3002<\/p>\n<h3 id=\"2-%e6%94%af%e6%8c%81%e8%a4%87%e9%9b%9c%e6%9f%a5%e8%a9%a2-ZsTrBpxWYC\">2. \u652f\u6301\u8907\u96dc\u67e5\u8a62<\/h3>\n<p>\u9054\u5922\u6578\u64da\u5eab\u652f\u6301\u591a\u8868\u806f\u63a5\u3001\u5b50\u67e5\u8a62\u548c\u805a\u5408\u51fd\u6578\u7b49\u8907\u96dc\u67e5\u8a62\u64cd\u4f5c\uff0c\u4f7f\u7528\u6236\u80fd\u5920\u9748\u6d3b\u5730\u5f9e\u6578\u64da\u4e2d\u63d0\u53d6\u6240\u9700\u7684\u4fe1\u606f\u3002<\/p>\n<h3 id=\"3-%e4%ba%8b%e5%8b%99%e7%ae%a1%e7%90%86-ZsTrBpxWYC\">3. \u4e8b\u52d9\u7ba1\u7406<\/h3>\n<p>\u9054\u5922\u6578\u64da\u5eab\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u4e8b\u52d9\u7ba1\u7406\u529f\u80fd\uff0c\u652f\u6301 ACID\uff08\u539f\u5b50\u6027\u3001\u4e00\u81f4\u6027\u3001\u9694\u96e2\u6027\u3001\u6301\u4e45\u6027\uff09\u7279\u6027\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002<\/p>\n<h3 id=\"4-%e5%ae%89%e5%85%a8%e6%80%a7-ZsTrBpxWYC\">4. \u5b89\u5168\u6027<\/h3>\n<p>\u9054\u5922\u6578\u64da\u5eab\u5728\u5b89\u5168\u6027\u65b9\u9762\u4e5f\u505a\u4e86\u5927\u91cf\u5de5\u4f5c\uff0c\u652f\u6301\u7528\u6236\u6b0a\u9650\u7ba1\u7406\u548c\u6578\u64da\u52a0\u5bc6\uff0c\u4fdd\u8b77\u654f\u611f\u6578\u64da\u4e0d\u88ab\u672a\u6388\u6b0a\u8a2a\u554f\u3002<\/p>\n<h2 id=\"%e5%af%a6%e9%9a%9b%e6%87%89%e7%94%a8%e6%a1%88%e4%be%8b-ZsTrBpxWYC\">\u5be6\u969b\u61c9\u7528\u6848\u4f8b<\/h2>\n<p>\u8a31\u591a\u4f01\u696d\u5728\u5176\u696d\u52d9\u4e2d\u6210\u529f\u61c9\u7528\u4e86\u9054\u5922\u6578\u64da\u5eab\u7684 SQL\u3002\u4f8b\u5982\uff0c\u4e00\u5bb6\u5927\u578b\u96f6\u552e\u516c\u53f8\u5229\u7528\u9054\u5922\u6578\u64da\u5eab\u9032\u884c\u92b7\u552e\u6578\u64da\u5206\u6790\uff0c\u901a\u904e\u8907\u96dc\u7684\u67e5\u8a62\u4f86\u7372\u53d6\u92b7\u552e\u8da8\u52e2\uff0c\u5f9e\u800c\u5236\u5b9a\u66f4\u6709\u6548\u7684\u5e02\u5834\u7b56\u7565\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ZsTrBpxWYC\">\u7e3d\u7d50<\/h2>\n<p>\u9054\u5922\u6578\u64da\u5eab\u7684 SQL \u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u9ad8\u6548\u5730\u7ba1\u7406\u548c\u64cd\u4f5c\u6578\u64da\u3002\u5176\u9ad8\u6548\u7684\u67e5\u8a62\u512a\u5316\u3001\u652f\u6301\u8907\u96dc\u67e5\u8a62\u3001\u5f37\u5927\u7684\u4e8b\u52d9\u7ba1\u7406\u548c\u5b89\u5168\u6027\u7279\u5fb5\uff0c\u4f7f\u5176\u6210\u70ba\u6578\u64da\u5eab\u7ba1\u7406\u7684\u5f97\u529b\u52a9\u624b\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u4f01\u696d\u4f86\u8aaa\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u81f3\u95dc\u91cd\u8981\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u6216 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u9700\u6c42\uff0cServer.HK 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SQL\uff0c\u4e86\u89e3\u5176\u5f37\u5927\u529f\u80fd\u8207\u9ad8\u6548\u6578\u64da\u5eab\u7ba1\u7406\u6280\u5de7\uff0c\u52a9\u60a8\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\u8207\u6027\u80fd\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-153527","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153527","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=153527"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153527\/revisions"}],"predecessor-version":[{"id":153528,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153527\/revisions\/153528"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=153527"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=153527"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=153527"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}