{"id":60531,"date":"2024-10-13T03:38:14","date_gmt":"2024-10-12T19:38:14","guid":{"rendered":"https:\/\/server.hk\/cnblog\/60531\/"},"modified":"2024-10-13T03:38:15","modified_gmt":"2024-10-12T19:38:15","slug":"db2%e5%9f%ba%e6%9c%ac%e5%91%bd%e4%bb%a4%e5%92%8c%e7%9f%a5%e8%ad%98%e6%96%b0%e6%89%8b%e6%95%b2%e9%96%80%e7%a3%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/60531\/","title":{"rendered":"DB2\u57fa\u672c\u547d\u4ee4\u548c\u77e5\u8b58\u65b0\u624b\u6572\u9580\u78da"},"content":{"rendered":"<h1 id=\"db2%e5%9f%ba%e6%9c%ac%e5%91%bd%e4%bb%a4%e5%92%8c%e7%9f%a5%e8%ad%98%e6%96%b0%e6%89%8b%e6%95%b2%e9%96%80%e7%a3%9a-pJSvfbFiFM\">DB2\u57fa\u672c\u547d\u4ee4\u548c\u77e5\u8b58\u65b0\u624b\u6572\u9580\u78da<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff08DBMS\uff09\u626e\u6f14\u8457\u81f3\u95dc\u91cd\u8981\u7684\u89d2\u8272\u3002IBM\u7684DB2\u662f\u4e00\u6b3e\u529f\u80fd\u5f37\u5927\u7684\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u4f01\u696d\u74b0\u5883\u4e2d\u3002\u5c0d\u65bc\u65b0\u624b\u4f86\u8aaa\uff0c\u638c\u63e1DB2\u7684\u57fa\u672c\u547d\u4ee4\u548c\u77e5\u8b58\u662f\u9032\u5165\u6578\u64da\u5eab\u7ba1\u7406\u9818\u57df\u7684\u7b2c\u4e00\u6b65\u3002\u672c\u6587\u5c07\u4ecb\u7d39DB2\u7684\u57fa\u672c\u547d\u4ee4\u53ca\u5176\u4f7f\u7528\u65b9\u6cd5\uff0c\u5e6b\u52a9\u65b0\u624b\u5feb\u901f\u4e0a\u624b\u3002<\/p>\n<h2 id=\"db2%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-pJSvfbFiFM\">DB2\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u5728\u6df1\u5165DB2\u7684\u547d\u4ee4\u4e4b\u524d\uff0c\u4e86\u89e3\u4e00\u4e9b\u57fa\u672c\u6982\u5ff5\u662f\u5fc5\u8981\u7684\u3002DB2\u662f\u4e00\u500b\u95dc\u806f\u6578\u64da\u5eab\u7cfb\u7d71\uff0c\u652f\u6301SQL\uff08\u7d50\u69cb\u5316\u67e5\u8a62\u8a9e\u8a00\uff09\u4f86\u9032\u884c\u6578\u64da\u64cd\u4f5c\u3002DB2\u7684\u4e3b\u8981\u7d44\u4ef6\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u5eab\uff1a<\/strong>\u5b58\u5132\u6578\u64da\u7684\u5bb9\u5668\u3002<\/li>\n<li><strong>\u8868\uff1a<\/strong>\u6578\u64da\u7684\u57fa\u672c\u7d50\u69cb\uff0c\u7531\u884c\u548c\u5217\u7d44\u6210\u3002<\/li>\n<li><strong>\u7d22\u5f15\uff1a<\/strong>\u52a0\u901f\u6578\u64da\u6aa2\u7d22\u7684\u6578\u64da\u7d50\u69cb\u3002<\/li>\n<li><strong>\u8996\u5716\uff1a<\/strong>\u865b\u64ec\u8868\uff0c\u57fa\u65bc\u67e5\u8a62\u7d50\u679c\u751f\u6210\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%9f%ba%e6%9c%ac%e5%91%bd%e4%bb%a4%e4%bb%8b%e7%b4%b9-pJSvfbFiFM\">\u57fa\u672c\u547d\u4ee4\u4ecb\u7d39<\/h2>\n<h3 id=\"1-%e9%80%a3%e6%8e%a5%e5%88%b0%e6%95%b8%e6%93%9a%e5%ba%ab-pJSvfbFiFM\">1. \u9023\u63a5\u5230\u6578\u64da\u5eab<\/h3>\n<p>\u5728\u4f7f\u7528DB2\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u9023\u63a5\u5230\u6578\u64da\u5eab\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>CONNECT TO database_name USER username USING password;<\/code><\/pre>\n<p>\u9019\u88e1\uff0c<code>database_name<\/code>\u662f\u6578\u64da\u5eab\u7684\u540d\u7a31\uff0c<code>username<\/code>\u548c<code>password<\/code>\u662f\u7528\u6236\u7684\u767b\u9304\u6191\u8b49\u3002<\/p>\n<h3 id=\"2-%e5%89%b5%e5%bb%ba%e8%a1%a8-pJSvfbFiFM\">2. \u5275\u5efa\u8868<\/h3>\n<p>\u5275\u5efa\u8868\u662f\u6578\u64da\u5eab\u64cd\u4f5c\u4e2d\u7684\u57fa\u672c\u4efb\u52d9\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u8868\u7684\u547d\u4ee4\u793a\u4f8b\uff1a<\/p>\n<pre><code>CREATE TABLE employees (\n    id INT PRIMARY KEY,\n    name VARCHAR(100),\n    position VARCHAR(50),\n    salary DECIMAL(10, 2)\n);<\/code><\/pre>\n<p>\u9019\u500b\u547d\u4ee4\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba<code>employees<\/code>\u7684\u8868\uff0c\u5305\u542b\u56db\u500b\u5b57\u6bb5\u3002<\/p>\n<h3 id=\"3-%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a-pJSvfbFiFM\">3. \u63d2\u5165\u6578\u64da<\/h3>\n<p>\u63d2\u5165\u6578\u64da\u5230\u8868\u4e2d\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>INSERT INTO employees (id, name, position, salary) VALUES (1, 'John Doe', 'Developer', 60000.00);<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u4e00\u689d\u65b0\u8a18\u9304\u63d2\u5165\u5230<code>employees<\/code>\u8868\u4e2d\u3002<\/p>\n<h3 id=\"4-%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a-pJSvfbFiFM\">4. \u67e5\u8a62\u6578\u64da<\/h3>\n<p>\u67e5\u8a62\u6578\u64da\u662fDB2\u4e2d\u6700\u5e38\u7528\u7684\u64cd\u4f5c\u4e4b\u4e00\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u67e5\u8a62\u6240\u6709\u54e1\u5de5\u7684\u8cc7\u6599\uff1a<\/p>\n<pre><code>SELECT * FROM employees;<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u8fd4\u56de<code>employees<\/code>\u8868\u4e2d\u7684\u6240\u6709\u8a18\u9304\u3002<\/p>\n<h3 id=\"5-%e6%9b%b4%e6%96%b0%e6%95%b8%e6%93%9a-pJSvfbFiFM\">5. \u66f4\u65b0\u6578\u64da<\/h3>\n<p>\u5982\u679c\u9700\u8981\u66f4\u65b0\u67d0\u689d\u8a18\u9304\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>UPDATE employees SET salary = 65000.00 WHERE id = 1;<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07ID\u70ba1\u7684\u54e1\u5de5\u7684\u85aa\u6c34\u66f4\u65b0\u70ba65000.00\u3002<\/p>\n<h3 id=\"6-%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a-pJSvfbFiFM\">6. \u522a\u9664\u6578\u64da<\/h3>\n<p>\u522a\u9664\u6578\u64da\u7684\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n<pre><code>DELETE FROM employees WHERE id = 1;<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u522a\u9664ID\u70ba1\u7684\u54e1\u5de5\u8a18\u9304\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-pJSvfbFiFM\">\u7e3d\u7d50<\/h2>\n<p>\u638c\u63e1DB2\u7684\u57fa\u672c\u547d\u4ee4\u662f\u6578\u64da\u5eab\u7ba1\u7406\u7684\u57fa\u790e\u3002\u901a\u904e\u5b78\u7fd2\u5982\u4f55\u9023\u63a5\u6578\u64da\u5eab\u3001\u5275\u5efa\u8868\u3001\u63d2\u5165\u3001\u67e5\u8a62\u3001\u66f4\u65b0\u548c\u522a\u9664\u6578\u64da\uff0c\u65b0\u624b\u53ef\u4ee5\u5feb\u901f\u4e0a\u624bDB2\u7684\u4f7f\u7528\u3002\u96a8\u8457\u7d93\u9a57\u7684\u7a4d\u7d2f\uff0c\u60a8\u5c07\u80fd\u5920\u66f4\u6df1\u5165\u5730\u63a2\u7d22DB2\u7684\u9ad8\u7d1a\u529f\u80fd\u548c\u6700\u4f73\u5be6\u8e10\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u6578\u64da\u5eab\u7ba1\u7406\u6709\u9032\u4e00\u6b65\u7684\u9700\u6c42\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u642d\u5efa\u60a8\u7684\u6578\u64da\u5eab\u74b0\u5883\uff0c\u4eab\u53d7\u7a69\u5b9a\u548c\u9ad8\u6548\u7684\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u638c\u63e1DB2\u57fa\u672c\u547d\u4ee4\u548c\u77e5\u8b58\uff0c\u70ba\u65b0\u624b\u63d0\u4f9b\u5165\u9580\u6307\u5c0e\uff0c\u52a9\u4f60\u8f15\u9b06\u8e0f\u5165\u6578\u64da\u5eab\u7ba1\u7406\u7684\u4e16\u754c\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-60531","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60531","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=60531"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60531\/revisions"}],"predecessor-version":[{"id":60532,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60531\/revisions\/60532"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=60531"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=60531"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=60531"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}