{"id":166847,"date":"2024-11-05T20:07:18","date_gmt":"2024-11-05T12:07:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/166847\/"},"modified":"2024-11-05T20:07:19","modified_gmt":"2024-11-05T12:07:19","slug":"%e4%ba%86%e8%a7%a3%e9%97%9c%e4%bf%82%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%9f%ba%e7%a4%8e%ef%bc%9asql%e8%aa%9e%e8%a8%80%e6%a8%99%e6%ba%96%e7%b0%a1%e4%bb%8b-%e9%97%9c%e4%bf%82%e6%95%b8%e6%93%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/166847\/","title":{"rendered":"\u4e86\u89e3\u95dc\u4fc2\u6578\u64da\u5eab\u7684\u57fa\u790e\uff1aSQL\u8a9e\u8a00\u6a19\u6e96\u7c21\u4ecb (\u95dc\u4fc2\u6578\u64da\u5eab\u6a19\u6e96\u8a9e\u8a00sql)"},"content":{"rendered":"<h1 id=\"%e4%ba%86%e8%a7%a3%e9%97%9c%e4%bf%82%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%9f%ba%e7%a4%8e%ef%bc%9asql%e8%aa%9e%e8%a8%80%e6%a8%99%e6%ba%96%e7%b0%a1%e4%bb%8b-ZMobeFlTPv\">\u4e86\u89e3\u95dc\u4fc2\u6578\u64da\u5eab\u7684\u57fa\u790e\uff1aSQL\u8a9e\u8a00\u6a19\u6e96\u7c21\u4ecb<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u95dc\u4fc2\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff08RDBMS\uff09\u626e\u6f14\u8457\u81f3\u95dc\u91cd\u8981\u7684\u89d2\u8272\u3002\u9019\u4e9b\u7cfb\u7d71\u4f7f\u7528\u7d50\u69cb\u5316\u67e5\u8a62\u8a9e\u8a00\uff08SQL\uff09\u4f86\u7ba1\u7406\u548c\u64cd\u4f5c\u6578\u64da\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eSQL\u7684\u57fa\u672c\u6982\u5ff5\u53ca\u5176\u5728\u95dc\u4fc2\u6578\u64da\u5eab\u4e2d\u7684\u61c9\u7528\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e9%97%9c%e4%bf%82%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9f-ZMobeFlTPv\">\u4ec0\u9ebc\u662f\u95dc\u4fc2\u6578\u64da\u5eab\uff1f<\/h2>\n<p>\u95dc\u4fc2\u6578\u64da\u5eab\u662f\u4e00\u7a2e\u4ee5\u8868\u683c\u5f62\u5f0f\u5b58\u5132\u6578\u64da\u7684\u7cfb\u7d71\u3002\u6bcf\u500b\u8868\u683c\u7531\u884c\u548c\u5217\u7d44\u6210\uff0c\u884c\u4ee3\u8868\u8a18\u9304\uff0c\u5217\u4ee3\u8868\u5c6c\u6027\u3002\u9019\u7a2e\u7d50\u69cb\u4f7f\u5f97\u6578\u64da\u7684\u7d44\u7e54\u548c\u6aa2\u7d22\u8b8a\u5f97\u66f4\u52a0\u9ad8\u6548\u3002\u95dc\u4fc2\u6578\u64da\u5eab\u7684\u6838\u5fc3\u6982\u5ff5\u662f\u201c\u95dc\u4fc2\u201d\uff0c\u5373\u8868\u683c\u4e4b\u9593\u7684\u806f\u7e6b\uff0c\u9019\u4e9b\u806f\u7e6b\u901a\u5e38\u901a\u904e\u4e3b\u9375\u548c\u5916\u9375\u4f86\u5be6\u73fe\u3002<\/p>\n<h2 id=\"sql%e8%aa%9e%e8%a8%80%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-ZMobeFlTPv\">SQL\u8a9e\u8a00\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>SQL\uff08Structured Query Language\uff09\u662f\u4e00\u7a2e\u5c08\u9580\u7528\u65bc\u7ba1\u7406\u95dc\u4fc2\u6578\u64da\u5eab\u7684\u6a19\u6e96\u8a9e\u8a00\u3002\u5b83\u63d0\u4f9b\u4e86\u4e00\u7d44\u8a9e\u6cd5\u548c\u898f\u5247\uff0c\u8b93\u7528\u6236\u80fd\u5920\u57f7\u884c\u5404\u7a2e\u64cd\u4f5c\uff0c\u5982\u67e5\u8a62\u6578\u64da\u3001\u63d2\u5165\u65b0\u6578\u64da\u3001\u66f4\u65b0\u73fe\u6709\u6578\u64da\u548c\u522a\u9664\u6578\u64da\u7b49\u3002<\/p>\n<h3 id=\"sql%e7%9a%84%e4%b8%bb%e8%a6%81%e5%8a%9f%e8%83%bd-ZMobeFlTPv\">SQL\u7684\u4e3b\u8981\u529f\u80fd<\/h3>\n<ul>\n<li><strong>\u6578\u64da\u67e5\u8a62\uff1a<\/strong>\u4f7f\u7528SELECT\u8a9e\u53e5\u4f86\u6aa2\u7d22\u6578\u64da\u3002<\/li>\n<li><strong>\u6578\u64da\u63d2\u5165\uff1a<\/strong>\u4f7f\u7528INSERT\u8a9e\u53e5\u5c07\u65b0\u6578\u64da\u6dfb\u52a0\u5230\u8868\u4e2d\u3002<\/li>\n<li><strong>\u6578\u64da\u66f4\u65b0\uff1a<\/strong>\u4f7f\u7528UPDATE\u8a9e\u53e5\u4f86\u4fee\u6539\u73fe\u6709\u6578\u64da\u3002<\/li>\n<li><strong>\u6578\u64da\u522a\u9664\uff1a<\/strong>\u4f7f\u7528DELETE\u8a9e\u53e5\u4f86\u79fb\u9664\u4e0d\u9700\u8981\u7684\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"sql%e8%aa%9e%e6%b3%95%e7%a4%ba%e4%be%8b-ZMobeFlTPv\">SQL\u8a9e\u6cd5\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u57fa\u672c\u7684SQL\u8a9e\u53e5\u793a\u4f8b\uff1a<\/p>\n<h3 id=\"%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a-ZMobeFlTPv\">\u67e5\u8a62\u6578\u64da<\/h3>\n<pre><code>SELECT * FROM customers WHERE country = 'Hong Kong';<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07\u5f9ecustomers\u8868\u4e2d\u6aa2\u7d22\u6240\u6709\u4f86\u81ea\u9999\u6e2f\u7684\u5ba2\u6236\u8a18\u9304\u3002<\/p>\n<h3 id=\"%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a-ZMobeFlTPv\">\u63d2\u5165\u6578\u64da<\/h3>\n<pre><code>INSERT INTO customers (name, country) VALUES ('\u5f35\u4e09', '\u9999\u6e2f');<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07\u4e00\u500b\u540d\u70ba\u5f35\u4e09\u7684\u5ba2\u6236\u63d2\u5165\u5230customers\u8868\u4e2d\u3002<\/p>\n<h3 id=\"%e6%9b%b4%e6%96%b0%e6%95%b8%e6%93%9a-ZMobeFlTPv\">\u66f4\u65b0\u6578\u64da<\/h3>\n<pre><code>UPDATE customers SET country = '\u4e2d\u570b' WHERE name = '\u5f35\u4e09';<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07\u66f4\u65b0\u540d\u70ba\u5f35\u4e09\u7684\u5ba2\u6236\u7684\u570b\u5bb6\u70ba\u4e2d\u570b\u3002<\/p>\n<h3 id=\"%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a-ZMobeFlTPv\">\u522a\u9664\u6578\u64da<\/h3>\n<pre><code>DELETE FROM customers WHERE name = '\u5f35\u4e09';<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07\u522a\u9664\u540d\u70ba\u5f35\u4e09\u7684\u5ba2\u6236\u8a18\u9304\u3002<\/p>\n<h2 id=\"sql%e7%9a%84%e5%84%aa%e5%8b%a2-ZMobeFlTPv\">SQL\u7684\u512a\u52e2<\/h2>\n<p>SQL\u8a9e\u8a00\u7684\u512a\u52e2\u5728\u65bc\u5176\u7c21\u6f54\u6027\u548c\u5f37\u5927\u529f\u80fd\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u61c9\u7528\u9084\u662f\u5927\u578b\u4f01\u696d\u7cfb\u7d71\uff0cSQL\u90fd\u80fd\u6709\u6548\u5730\u8655\u7406\u6578\u64da\u3002\u5b83\u7684\u6a19\u6e96\u5316\u4f7f\u5f97\u4e0d\u540c\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u4e4b\u9593\u80fd\u5920\u4e92\u901a\uff0c\u4e26\u4e14\u8a31\u591a\u958b\u767c\u8005\u548c\u6578\u64da\u5206\u6790\u5e2b\u90fd\u719f\u6089\u9019\u7a2e\u8a9e\u8a00\uff0c\u9019\u4f7f\u5f97\u5718\u968a\u5408\u4f5c\u8b8a\u5f97\u66f4\u52a0\u9ad8\u6548\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-ZMobeFlTPv\">\u7d50\u8ad6<\/h2>\n<p>\u4e86\u89e3SQL\u8a9e\u8a00\u53ca\u5176\u5728\u95dc\u4fc2\u6578\u64da\u5eab\u4e2d\u7684\u61c9\u7528\u662f\u6bcf\u4f4d\u6578\u64da\u5c08\u696d\u4eba\u58eb\u7684\u57fa\u672c\u6280\u80fd\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\u548c\u6578\u64da\u5206\u6790\u9700\u6c42\u7684\u4e0a\u5347\uff0c\u638c\u63e1SQL\u5c07\u70ba\u60a8\u7684\u8077\u696d\u751f\u6daf\u5e36\u4f86\u66f4\u591a\u6a5f\u6703\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684\u6578\u64da\u5b58\u5132\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\u60a8\u7684\u6578\u64da\u7ba1\u7406\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u95dc\u4fc2\u6578\u64da\u5eab\u7684\u57fa\u790e\u77e5\u8b58\uff0c\u4e86\u89e3SQL\u8a9e\u8a00\u6a19\u6e96\u53ca\u5176\u5728\u6578\u64da\u7ba1\u7406\u4e2d\u7684\u91cd\u8981\u6027\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-166847","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/166847","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=166847"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/166847\/revisions"}],"predecessor-version":[{"id":166848,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/166847\/revisions\/166848"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=166847"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=166847"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=166847"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}