{"id":196334,"date":"2024-11-13T22:20:24","date_gmt":"2024-11-13T14:20:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/196334\/"},"modified":"2024-11-13T22:20:25","modified_gmt":"2024-11-13T14:20:25","slug":"%e6%ad%a3%e7%a2%ba%e5%9f%b7%e8%a1%8cdb2%e5%91%bd%e4%bb%a4%e7%9a%84%e5%af%a6%e9%9a%9b%e6%93%8d%e4%bd%9c%e6%96%b9%e5%bc%8f%e6%8f%8f%e8%bf%b0","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/196334\/","title":{"rendered":"\u6b63\u78ba\u57f7\u884cDB2\u547d\u4ee4\u7684\u5be6\u969b\u64cd\u4f5c\u65b9\u5f0f\u63cf\u8ff0"},"content":{"rendered":"<h1 id=\"%e6%ad%a3%e7%a2%ba%e5%9f%b7%e8%a1%8cdb2%e5%91%bd%e4%bb%a4%e7%9a%84%e5%af%a6%e9%9a%9b%e6%93%8d%e4%bd%9c%e6%96%b9%e5%bc%8f%e6%8f%8f%e8%bf%b0-suUegxXtwF\">\u6b63\u78ba\u57f7\u884cDB2\u547d\u4ee4\u7684\u5be6\u969b\u64cd\u4f5c\u65b9\u5f0f\u63cf\u8ff0<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\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\u7d1a\u61c9\u7528\u4e2d\u3002\u6b63\u78ba\u57f7\u884cDB2\u547d\u4ee4\u4e0d\u50c5\u80fd\u63d0\u9ad8\u6578\u64da\u8655\u7406\u6548\u7387\uff0c\u9084\u80fd\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u5b89\u5168\u6027\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u6b63\u78ba\u57f7\u884cDB2\u547d\u4ee4\uff0c\u4e26\u63d0\u4f9b\u5be6\u969b\u64cd\u4f5c\u7684\u8a73\u7d30\u63cf\u8ff0\u3002<\/p>\n<h2 id=\"db2%e5%91%bd%e4%bb%a4%e7%9a%84%e5%9f%ba%e6%9c%ac%e7%b5%90%e6%a7%8b-suUegxXtwF\">DB2\u547d\u4ee4\u7684\u57fa\u672c\u7d50\u69cb<\/h2>\n<p>DB2\u547d\u4ee4\u901a\u5e38\u7531\u4ee5\u4e0b\u5e7e\u500b\u90e8\u5206\u7d44\u6210\uff1a<\/p>\n<ul>\n<li><strong>\u547d\u4ee4\u985e\u578b\uff1a<\/strong>\u5982\u67e5\u8a62\u3001\u66f4\u65b0\u3001\u522a\u9664\u7b49\u3002<\/li>\n<li><strong>\u5c0d\u8c61\u540d\u7a31\uff1a<\/strong>\u5982\u8868\u540d\u3001\u8996\u5716\u540d\u7b49\u3002<\/li>\n<li><strong>\u689d\u4ef6\uff1a<\/strong>\u7528\u65bc\u7be9\u9078\u6578\u64da\u7684\u689d\u4ef6\u3002<\/li>\n<li><strong>\u9078\u9805\uff1a<\/strong>\u53ef\u9078\u7684\u53c3\u6578\uff0c\u7528\u65bc\u8abf\u6574\u547d\u4ee4\u7684\u884c\u70ba\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u67e5\u8a62\u547d\u4ee4\uff1a<\/p>\n<pre><code>SELECT * FROM customers WHERE country = 'Hong Kong';<\/code><\/pre>\n<h2 id=\"%e5%9f%b7%e8%a1%8cdb2%e5%91%bd%e4%bb%a4%e7%9a%84%e6%ad%a5%e9%a9%9f-suUegxXtwF\">\u57f7\u884cDB2\u547d\u4ee4\u7684\u6b65\u9a5f<\/h2>\n<h3 id=\"1-%e9%80%a3%e6%8e%a5%e5%88%b0db2%e6%95%b8%e6%93%9a%e5%ba%ab-suUegxXtwF\">1. \u9023\u63a5\u5230DB2\u6578\u64da\u5eab<\/h3>\n<p>\u5728\u57f7\u884c\u4efb\u4f55DB2\u547d\u4ee4\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u9023\u63a5\u5230\u6578\u64da\u5eab\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u9032\u884c\u9023\u63a5\uff1a<\/p>\n<pre><code>db2 connect to  user  using ;<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c\u662f\u6578\u64da\u5eab\u7684\u540d\u7a31\uff0c\u548c\u662f\u7528\u6236\u7684\u767b\u9304\u6191\u8b49\u3002<\/p>\n<h3 id=\"2-%e5%9f%b7%e8%a1%8c%e6%9f%a5%e8%a9%a2%e5%91%bd%e4%bb%a4-suUegxXtwF\">2. \u57f7\u884c\u67e5\u8a62\u547d\u4ee4<\/h3>\n<p>\u9023\u63a5\u6210\u529f\u5f8c\uff0c\u53ef\u4ee5\u57f7\u884c\u67e5\u8a62\u547d\u4ee4\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u67e5\u8a62\u6240\u6709\u5ba2\u6236\u7684\u547d\u4ee4\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT * FROM customers;<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56decustomers\u8868\u4e2d\u7684\u6240\u6709\u8a18\u9304\u3002<\/p>\n<h3 id=\"3-%e6%9b%b4%e6%96%b0%e6%95%b8%e6%93%9a-suUegxXtwF\">3. \u66f4\u65b0\u6578\u64da<\/h3>\n<p>\u5982\u679c\u9700\u8981\u66f4\u65b0\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528UPDATE\u547d\u4ee4\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u66f4\u65b0\u5ba2\u6236\u5730\u5740\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>UPDATE customers SET address = 'New Address' WHERE customer_id = 1;<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u5ba2\u6236ID\u70ba1\u7684\u5ba2\u6236\u5730\u5740\u66f4\u65b0\u70ba\u201cNew Address\u201d\u3002<\/p>\n<h3 id=\"4-%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a-suUegxXtwF\">4. \u522a\u9664\u6578\u64da<\/h3>\n<p>\u8981\u522a\u9664\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528DELETE\u547d\u4ee4\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u522a\u9664\u7279\u5b9a\u5ba2\u6236\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>DELETE FROM customers WHERE customer_id = 1;<\/code><\/pre>\n<p>\u9019\u5c07\u522a\u9664\u5ba2\u6236ID\u70ba1\u7684\u8a18\u9304\u3002<\/p>\n<h3 id=\"5-%e6%96%b7%e9%96%8b%e9%80%a3%e6%8e%a5-suUegxXtwF\">5. \u65b7\u958b\u9023\u63a5<\/h3>\n<p>\u5b8c\u6210\u6240\u6709\u64cd\u4f5c\u5f8c\uff0c\u61c9\u8a72\u65b7\u958b\u8207\u6578\u64da\u5eab\u7684\u9023\u63a5\uff0c\u4ee5\u91cb\u653e\u8cc7\u6e90\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>db2 disconnect ;<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-suUegxXtwF\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u57f7\u884cDB2\u547d\u4ee4\u6642\uff0c\u61c9\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u6709\u8db3\u5920\u7684\u6b0a\u9650\u57f7\u884c\u6240\u9700\u7684\u64cd\u4f5c\u3002<\/li>\n<li>\u5728\u57f7\u884c\u66f4\u65b0\u6216\u522a\u9664\u64cd\u4f5c\u4e4b\u524d\uff0c\u5efa\u8b70\u5148\u9032\u884c\u67e5\u8a62\u4ee5\u78ba\u8a8d\u8981\u64cd\u4f5c\u7684\u6578\u64da\u3002<\/li>\n<li>\u5b9a\u671f\u5099\u4efd\u6578\u64da\uff0c\u4ee5\u9632\u6b62\u610f\u5916\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-suUegxXtwF\">\u7e3d\u7d50<\/h2>\n<p>\u6b63\u78ba\u57f7\u884cDB2\u547d\u4ee4\u662f\u6578\u64da\u5eab\u7ba1\u7406\u7684\u91cd\u8981\u7d44\u6210\u90e8\u5206\u3002\u901a\u904e\u9075\u5faa\u4e0a\u8ff0\u6b65\u9a5f\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u548c\u64cd\u4f5c\u6578\u64da\u3002\u7121\u8ad6\u662f\u67e5\u8a62\u3001\u66f4\u65b0\u9084\u662f\u522a\u9664\u6578\u64da\uff0c\u4e86\u89e3DB2\u547d\u4ee4\u7684\u57fa\u672c\u7d50\u69cb\u548c\u64cd\u4f5c\u6d41\u7a0b\u90fd\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u5982\u679c\u60a8\u9700\u8981\u66f4\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\u89e3\u6c7a\u65b9\u6848\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a>\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u6b63\u78ba\u57f7\u884cDB2\u547d\u4ee4\u7684\u5be6\u969b\u64cd\u4f5c\u65b9\u5f0f\uff0c\u63d0\u5347\u6578\u64da\u5eab\u7ba1\u7406\u6548\u7387\uff0c\u78ba\u4fdd\u64cd\u4f5c\u6e96\u78ba\u7121\u8aa4\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-196334","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/196334","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=196334"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/196334\/revisions"}],"predecessor-version":[{"id":196335,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/196334\/revisions\/196335"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=196334"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=196334"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=196334"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}