{"id":60767,"date":"2024-10-13T05:38:17","date_gmt":"2024-10-12T21:38:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/60767\/"},"modified":"2024-10-13T05:38:17","modified_gmt":"2024-10-12T21:38:17","slug":"db2%e6%95%b8%e6%93%9a%e5%ba%ab%e5%91%bd%e4%bb%a4%e5%a4%a7%e5%85%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/60767\/","title":{"rendered":"DB2\u6578\u64da\u5eab\u547d\u4ee4\u5927\u5168"},"content":{"rendered":"<h1 id=\"db2%e6%95%b8%e6%93%9a%e5%ba%ab%e5%91%bd%e4%bb%a4%e5%a4%a7%e5%85%a8-nhhyolDVFM\">DB2\u6578\u64da\u5eab\u547d\u4ee4\u5927\u5168<\/h1>\n<p>DB2\u662f\u4e00\u6b3e\u7531IBM\u958b\u767c\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u4f01\u696d\u7d1a\u61c9\u7528\u4e2d\u3002DB2\u652f\u6301\u591a\u7a2e\u6578\u64da\u6a21\u578b\uff0c\u4e26\u63d0\u4f9b\u5f37\u5927\u7684\u67e5\u8a62\u548c\u6578\u64da\u8655\u7406\u80fd\u529b\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u4e00\u4e9b\u5e38\u7528\u7684DB2\u6578\u64da\u5eab\u547d\u4ee4\uff0c\u5e6b\u52a9\u7528\u6236\u66f4\u6709\u6548\u5730\u7ba1\u7406\u548c\u64cd\u4f5c\u6578\u64da\u5eab\u3002<\/p>\n<h2 id=\"%e5%9f%ba%e6%9c%ac%e5%91%bd%e4%bb%a4-nhhyolDVFM\">\u57fa\u672c\u547d\u4ee4<\/h2>\n<h3 id=\"1-%e9%80%a3%e6%8e%a5%e5%88%b0%e6%95%b8%e6%93%9a%e5%ba%ab-nhhyolDVFM\">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\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>CONNECT TO  USER  USING <\/code><\/pre>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre><code>CONNECT TO SAMPLE USER db2admin USING password123<\/code><\/pre>\n<h3 id=\"2-%e5%89%b5%e5%bb%ba%e6%95%b8%e6%93%9a%e5%ba%ab-nhhyolDVFM\">2. \u5275\u5efa\u6578\u64da\u5eab<\/h3>\n<p>\u5275\u5efa\u6578\u64da\u5eab\u7684\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n<pre><code>CREATE DATABASE <\/code><\/pre>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre><code>CREATE DATABASE MYDB<\/code><\/pre>\n<h3 id=\"3-%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e5%ba%ab-nhhyolDVFM\">3. \u522a\u9664\u6578\u64da\u5eab<\/h3>\n<p>\u5982\u679c\u9700\u8981\u522a\u9664\u6578\u64da\u5eab\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>DROP DATABASE <\/code><\/pre>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre><code>DROP DATABASE MYDB<\/code><\/pre>\n<h2 id=\"%e8%a1%a8%e6%93%8d%e4%bd%9c%e5%91%bd%e4%bb%a4-nhhyolDVFM\">\u8868\u64cd\u4f5c\u547d\u4ee4<\/h2>\n<h3 id=\"1-%e5%89%b5%e5%bb%ba%e8%a1%a8-nhhyolDVFM\">1. \u5275\u5efa\u8868<\/h3>\n<p>\u5275\u5efa\u8868\u7684\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n<pre><code>CREATE TABLE <table> ( , ...)<\/code><\/pre>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre><code>CREATE TABLE EMPLOYEES (ID INT, NAME VARCHAR(100), SALARY DECIMAL(10, 2))<\/code><\/pre>\n<h3 id=\"2-%e5%88%aa%e9%99%a4%e8%a1%a8-nhhyolDVFM\">2. \u522a\u9664\u8868<\/h3>\n<p>\u522a\u9664\u8868\u7684\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n<pre><code>DROP TABLE <table><\/code><\/pre>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre><code>DROP TABLE EMPLOYEES<\/code><\/pre>\n<h3 id=\"3-%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a-nhhyolDVFM\">3. \u63d2\u5165\u6578\u64da<\/h3>\n<p>\u63d2\u5165\u6578\u64da\u7684\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n<pre><code>INSERT INTO <table> (, , ...) VALUES (, , ...)<\/code><\/pre>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre><code>INSERT INTO EMPLOYEES (ID, NAME, SALARY) VALUES (1, 'John Doe', 50000.00)<\/code><\/pre>\n<h3 id=\"4-%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a-nhhyolDVFM\">4. \u67e5\u8a62\u6578\u64da<\/h3>\n<p>\u67e5\u8a62\u6578\u64da\u7684\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n<pre><code>SELECT ,  FROM <table> WHERE <\/code><\/pre>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT NAME, SALARY FROM EMPLOYEES WHERE ID = 1<\/code><\/pre>\n<h3 id=\"5-%e6%9b%b4%e6%96%b0%e6%95%b8%e6%93%9a-nhhyolDVFM\">5. \u66f4\u65b0\u6578\u64da<\/h3>\n<p>\u66f4\u65b0\u6578\u64da\u7684\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n<pre><code>UPDATE <table> SET  =  WHERE <\/code><\/pre>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre><code>UPDATE EMPLOYEES SET SALARY = 55000.00 WHERE ID = 1<\/code><\/pre>\n<h3 id=\"6-%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a-nhhyolDVFM\">6. \u522a\u9664\u6578\u64da<\/h3>\n<p>\u522a\u9664\u6578\u64da\u7684\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n<pre><code>DELETE FROM <table> WHERE <\/code><\/pre>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre><code>DELETE FROM EMPLOYEES WHERE ID = 1<\/code><\/pre>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e7%ae%a1%e7%90%86%e5%91%bd%e4%bb%a4-nhhyolDVFM\">\u6578\u64da\u5eab\u7ba1\u7406\u547d\u4ee4<\/h2>\n<h3 id=\"1-%e6%9f%a5%e7%9c%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e5%88%97%e8%a1%a8-nhhyolDVFM\">1. \u67e5\u770b\u6578\u64da\u5eab\u5217\u8868<\/h3>\n<p>\u8981\u67e5\u770b\u7576\u524d\u7cfb\u7d71\u4e2d\u7684\u6240\u6709\u6578\u64da\u5eab\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>LIST DATABASE DIRECTORY<\/code><\/pre>\n<h3 id=\"2-%e6%9f%a5%e7%9c%8b%e8%a1%a8%e7%b5%90%e6%a7%8b-nhhyolDVFM\">2. \u67e5\u770b\u8868\u7d50\u69cb<\/h3>\n<p>\u8981\u67e5\u770b\u67d0\u500b\u8868\u7684\u7d50\u69cb\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>DESCRIBE TABLE <table><\/code><\/pre>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre><code>DESCRIBE TABLE EMPLOYEES<\/code><\/pre>\n<h3 id=\"3-%e5%89%b5%e5%bb%ba%e7%b4%a2%e5%bc%95-nhhyolDVFM\">3. \u5275\u5efa\u7d22\u5f15<\/h3>\n<p>\u5275\u5efa\u7d22\u5f15\u7684\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n<pre><code>CREATE INDEX  ON <table> ()<\/code><\/pre>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre><code>CREATE INDEX IDX_EMP_NAME ON EMPLOYEES (NAME)<\/code><\/pre>\n<h3 id=\"4-%e5%88%aa%e9%99%a4%e7%b4%a2%e5%bc%95-nhhyolDVFM\">4. \u522a\u9664\u7d22\u5f15<\/h3>\n<p>\u522a\u9664\u7d22\u5f15\u7684\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n<pre><code>DROP INDEX <\/code><\/pre>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre><code>DROP INDEX IDX_EMP_NAME<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-nhhyolDVFM\">\u7e3d\u7d50<\/h2>\n<p>DB2\u6578\u64da\u5eab\u63d0\u4f9b\u4e86\u591a\u7a2e\u547d\u4ee4\u4f86\u7ba1\u7406\u548c\u64cd\u4f5c\u6578\u64da\uff0c\u5f9e\u57fa\u672c\u7684\u6578\u64da\u5eab\u548c\u8868\u64cd\u4f5c\u5230\u66f4\u9ad8\u7d1a\u7684\u6578\u64da\u7ba1\u7406\u529f\u80fd\uff0c\u9019\u4e9b\u547d\u4ee4\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u9ad8\u6548\u5730\u8655\u7406\u6578\u64da\u3002\u7121\u8ad6\u662f\u5275\u5efa\u6578\u64da\u5eab\u3001\u67e5\u8a62\u6578\u64da\u9084\u662f\u7ba1\u7406\u7d22\u5f15\uff0c\u638c\u63e1\u9019\u4e9b\u547d\u4ee4\u90fd\u662f\u4f7f\u7528DB2\u7684\u57fa\u790e\u3002<\/p>\n<p>\u5982\u679c\u60a8\u9700\u8981\u66f4\u9ad8\u6548\u7684\u6578\u64da\u5eab\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\u7684DB2\u61c9\u7528\u3002\u9019\u4e9b\u670d\u52d9\u80fd\u5920\u63d0\u4f9b\u7a69\u5b9a\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u64f4\u5c55\u6027\uff0c\u6eff\u8db3\u4f01\u696d\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22DB2\u6578\u64da\u5eab\u547d\u4ee4\u5927\u5168\uff0c\u638c\u63e1\u95dc\u9375\u6307\u4ee4\u8207\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u52a9\u60a8\u8f15\u9b06\u64cd\u4f5cDB2\u74b0\u5883\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-60767","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60767","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=60767"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60767\/revisions"}],"predecessor-version":[{"id":60768,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60767\/revisions\/60768"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=60767"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=60767"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=60767"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}