{"id":60869,"date":"2024-10-13T06:30:18","date_gmt":"2024-10-12T22:30:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/60869\/"},"modified":"2024-10-13T06:30:18","modified_gmt":"2024-10-12T22:30:18","slug":"db2%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e6%97%a5%e5%b8%b8%e5%af%a6%e7%94%a8%e6%93%8d%e4%bd%9c%e5%a4%a7%e5%85%a8%e7%b6%93%e5%85%b8%e7%89%88","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/60869\/","title":{"rendered":"DB2\u6578\u64da\u5eab\u4e2d\u7684\u65e5\u5e38\u5be6\u7528\u64cd\u4f5c\u5927\u5168\u7d93\u5178\u7248"},"content":{"rendered":"<h1 id=\"db2%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e6%97%a5%e5%b8%b8%e5%af%a6%e7%94%a8%e6%93%8d%e4%bd%9c%e5%a4%a7%e5%85%a8%e7%b6%93%e5%85%b8%e7%89%88-YqzkscYgnF\">DB2\u6578\u64da\u5eab\u4e2d\u7684\u65e5\u5e38\u5be6\u7528\u64cd\u4f5c\u5927\u5168\u7d93\u5178\u7248<\/h1>\n<p>DB2\u6578\u64da\u5eab\u662fIBM\u63a8\u51fa\u7684\u4e00\u6b3e\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u4f01\u696d\u7d1a\u61c9\u7528\u4e2d\u3002\u7121\u8ad6\u662f\u6578\u64da\u7684\u5b58\u5132\u3001\u67e5\u8a62\u9084\u662f\u7ba1\u7406\uff0cDB2\u90fd\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u529f\u80fd\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u4e00\u4e9bDB2\u6578\u64da\u5eab\u4e2d\u7684\u65e5\u5e38\u5be6\u7528\u64cd\u4f5c\uff0c\u5e6b\u52a9\u7528\u6236\u66f4\u6709\u6548\u5730\u4f7f\u7528\u9019\u4e00\u5de5\u5177\u3002<\/p>\n<h2 id=\"1-%e9%80%a3%e6%8e%a5%e5%88%b0db2%e6%95%b8%e6%93%9a%e5%ba%ab-YqzkscYgnF\">1. \u9023\u63a5\u5230DB2\u6578\u64da\u5eab<\/h2>\n<p>\u5728\u9032\u884c\u4efb\u4f55\u64cd\u4f5c\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u9023\u63a5\u5230DB2\u6578\u64da\u5eab\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u9023\u63a5\uff1a<\/p>\n<pre><code>db2 connect to  user  using <\/code><\/pre>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre><code>db2 connect to SAMPLE user db2admin using password123<\/code><\/pre>\n<h2 id=\"2-%e5%89%b5%e5%bb%ba%e6%95%b8%e6%93%9a%e5%ba%ab-YqzkscYgnF\">2. \u5275\u5efa\u6578\u64da\u5eab<\/h2>\n<p>\u5982\u679c\u9700\u8981\u5275\u5efa\u4e00\u500b\u65b0\u7684\u6578\u64da\u5eab\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>db2 create database <\/code><\/pre>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre><code>db2 create database MYDB<\/code><\/pre>\n<h2 id=\"3-%e5%89%b5%e5%bb%ba%e8%a1%a8-YqzkscYgnF\">3. \u5275\u5efa\u8868<\/h2>\n<p>\u5275\u5efa\u8868\u662f\u6578\u64da\u5eab\u64cd\u4f5c\u4e2d\u7684\u57fa\u672c\u6b65\u9a5f\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u8868\u7684\u57fa\u672c\u8a9e\u6cd5\uff1a<\/p>\n<pre><code>db2 create table <table> ( , ...)<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5275\u5efa\u4e00\u500b\u7528\u65bc\u5b58\u5132\u54e1\u5de5\u4fe1\u606f\u7684\u8868\uff1a<\/p>\n<pre><code>db2 create table EMPLOYEES (ID INT PRIMARY KEY, NAME VARCHAR(100), SALARY DECIMAL(10, 2))<\/code><\/pre>\n<h2 id=\"4-%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a-YqzkscYgnF\">4. \u63d2\u5165\u6578\u64da<\/h2>\n<p>\u63d2\u5165\u6578\u64da\u53ef\u4ee5\u4f7f\u7528INSERT\u8a9e\u53e5\uff0c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>db2 insert into <table> (, , ...) values (, , ...)<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5411EMPLOYEES\u8868\u4e2d\u63d2\u5165\u4e00\u689d\u8a18\u9304\uff1a<\/p>\n<pre><code>db2 insert into EMPLOYEES (ID, NAME, SALARY) values (1, 'John Doe', 50000.00)<\/code><\/pre>\n<h2 id=\"5-%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a-YqzkscYgnF\">5. \u67e5\u8a62\u6578\u64da<\/h2>\n<p>\u67e5\u8a62\u6578\u64da\u4f7f\u7528SELECT\u8a9e\u53e5\uff0c\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>db2 select * from <table><\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u67e5\u8a62EMPLOYEES\u8868\u4e2d\u7684\u6240\u6709\u8a18\u9304\uff1a<\/p>\n<pre><code>db2 select * from EMPLOYEES<\/code><\/pre>\n<h2 id=\"6-%e6%9b%b4%e6%96%b0%e6%95%b8%e6%93%9a-YqzkscYgnF\">6. \u66f4\u65b0\u6578\u64da<\/h2>\n<p>\u66f4\u65b0\u6578\u64da\u53ef\u4ee5\u4f7f\u7528UPDATE\u8a9e\u53e5\uff0c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>db2 update <table> set  =  where <\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5c07ID\u70ba1\u7684\u54e1\u5de5\u7684\u85aa\u6c34\u66f4\u65b0\u70ba60000\uff1a<\/p>\n<pre><code>db2 update EMPLOYEES set SALARY = 60000 where ID = 1<\/code><\/pre>\n<h2 id=\"7-%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a-YqzkscYgnF\">7. \u522a\u9664\u6578\u64da<\/h2>\n<p>\u522a\u9664\u6578\u64da\u4f7f\u7528DELETE\u8a9e\u53e5\uff0c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>db2 delete from <table> where <\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u522a\u9664ID\u70ba1\u7684\u54e1\u5de5\u8a18\u9304\uff1a<\/p>\n<pre><code>db2 delete from EMPLOYEES where ID = 1<\/code><\/pre>\n<h2 id=\"8-%e5%89%b5%e5%bb%ba%e7%b4%a2%e5%bc%95-YqzkscYgnF\">8. \u5275\u5efa\u7d22\u5f15<\/h2>\n<p>\u7d22\u5f15\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u5275\u5efa\u7d22\u5f15\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>db2 create index  on <table> ()<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u70baEMPLOYEES\u8868\u7684NAME\u5217\u5275\u5efa\u7d22\u5f15\uff1a<\/p>\n<pre><code>db2 create index idx_name on EMPLOYEES (NAME)<\/code><\/pre>\n<h2 id=\"9-%e6%95%b8%e6%93%9a%e5%ba%ab%e5%82%99%e4%bb%bd%e8%88%87%e6%81%a2%e5%be%a9-YqzkscYgnF\">9. \u6578\u64da\u5eab\u5099\u4efd\u8207\u6062\u5fa9<\/h2>\n<p>\u5b9a\u671f\u5099\u4efd\u6578\u64da\u5eab\u662f\u78ba\u4fdd\u6578\u64da\u5b89\u5168\u7684\u91cd\u8981\u63aa\u65bd\u3002\u5099\u4efd\u6578\u64da\u5eab\u7684\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n<pre><code>db2 backup db  to <\/code><\/pre>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre><code>db2 backup db MYDB to \/backup<\/code><\/pre>\n<p>\u6062\u5fa9\u6578\u64da\u5eab\u7684\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n<pre><code>db2 restore db  from <\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-YqzkscYgnF\">\u7e3d\u7d50<\/h2>\n<p>\u4ee5\u4e0a\u4ecb\u7d39\u4e86DB2\u6578\u64da\u5eab\u4e2d\u7684\u4e00\u4e9b\u65e5\u5e38\u5be6\u7528\u64cd\u4f5c\uff0c\u5305\u62ec\u9023\u63a5\u3001\u5275\u5efa\u6578\u64da\u5eab\u548c\u8868\u3001\u63d2\u5165\u3001\u67e5\u8a62\u3001\u66f4\u65b0\u3001\u522a\u9664\u6578\u64da\u7b49\u57fa\u672c\u64cd\u4f5c\u3002\u9019\u4e9b\u64cd\u4f5c\u662f\u6578\u64da\u5eab\u7ba1\u7406\u7684\u57fa\u790e\uff0c\u638c\u63e1\u5b83\u5011\u5c07\u6709\u52a9\u65bc\u63d0\u9ad8\u5de5\u4f5c\u6548\u7387\u3002<\/p>\n<p>\u5982\u679c\u60a8\u9700\u8981\u66f4\u9ad8\u6548\u7684\u6578\u64da\u5eab\u7ba1\u7406\u89e3\u6c7a\u65b9\u6848\uff0c\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\u7684DB2\u6578\u64da\u5eab\u904b\u884c\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u5b89\u5168\u8207\u7a69\u5b9a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22DB2\u6578\u64da\u5eab\u7684\u7d93\u5178\u5be6\u7528\u64cd\u4f5c\u5927\u5168\uff0c\u638c\u63e1\u65e5\u5e38\u7ba1\u7406\u3001\u512a\u5316\u548c\u6545\u969c\u6392\u9664\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\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-60869","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60869","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=60869"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60869\/revisions"}],"predecessor-version":[{"id":60870,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60869\/revisions\/60870"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=60869"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=60869"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=60869"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}