{"id":60711,"date":"2024-10-13T05:10:16","date_gmt":"2024-10-12T21:10:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/60711\/"},"modified":"2024-10-13T05:10:17","modified_gmt":"2024-10-12T21:10:17","slug":"db2%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e9%83%a8%e5%88%86%e6%97%a5%e5%b8%b8%e5%af%a6%e7%94%a8%e6%93%8d%e4%bd%9c%e7%9a%84%e9%97%a1%e8%bf%b0","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/60711\/","title":{"rendered":"DB2\u6578\u64da\u5eab\u7684\u90e8\u5206\u65e5\u5e38\u5be6\u7528\u64cd\u4f5c\u7684\u95e1\u8ff0"},"content":{"rendered":"<h1 id=\"db2%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e9%83%a8%e5%88%86%e6%97%a5%e5%b8%b8%e5%af%a6%e7%94%a8%e6%93%8d%e4%bd%9c%e7%9a%84%e9%97%a1%e8%bf%b0-BKyUXAzClQ\">DB2\u6578\u64da\u5eab\u7684\u90e8\u5206\u65e5\u5e38\u5be6\u7528\u64cd\u4f5c\u7684\u95e1\u8ff0<\/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\u7684\u65e5\u5e38\u5be6\u7528\u64cd\u4f5c\uff0c\u5e6b\u52a9\u7528\u6236\u66f4\u6709\u6548\u5730\u4f7f\u7528\u9019\u4e00\u6578\u64da\u5eab\u7cfb\u7d71\u3002<\/p>\n<h2 id=\"1-%e9%80%a3%e6%8e%a5%e5%88%b0db2%e6%95%b8%e6%93%9a%e5%ba%ab-BKyUXAzClQ\">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\uff0c\u5982\u679c\u6578\u64da\u5eab\u540d\u7a31\u70ba\u201cMYDB\u201d\uff0c\u7528\u6236\u540d\u70ba\u201cdbuser\u201d\uff0c\u5bc6\u78bc\u70ba\u201cpassword\u201d\uff0c\u5247\u547d\u4ee4\u70ba\uff1a<\/p>\n<pre><code>db2 connect to MYDB user dbuser using password<\/code><\/pre>\n<h2 id=\"2-%e5%89%b5%e5%bb%ba%e8%a1%a8-BKyUXAzClQ\">2. \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\u4e00\u500b\u540d\u70ba\u201cEMPLOYEE\u201d\u7684\u8868\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>CREATE TABLE EMPLOYEE (\n    ID INT PRIMARY KEY,\n    NAME VARCHAR(100),\n    AGE INT,\n    DEPARTMENT VARCHAR(50)\n);<\/code><\/pre>\n<p>\u9019\u500b\u8868\u5305\u542b\u56db\u500b\u5b57\u6bb5\uff1aID\u3001NAME\u3001AGE\u548cDEPARTMENT\u3002<\/p>\n<h2 id=\"3-%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a-BKyUXAzClQ\">3. \u63d2\u5165\u6578\u64da<\/h2>\n<p>\u5728\u5275\u5efa\u8868\u4e4b\u5f8c\uff0c\u53ef\u4ee5\u4f7f\u7528INSERT\u8a9e\u53e5\u5411\u8868\u4e2d\u63d2\u5165\u6578\u64da\uff1a<\/p>\n<pre><code>INSERT INTO EMPLOYEE (ID, NAME, AGE, DEPARTMENT) VALUES (1, 'John Doe', 30, 'HR');<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u4e00\u689d\u65b0\u8a18\u9304\u63d2\u5165\u5230EMPLOYEE\u8868\u4e2d\u3002<\/p>\n<h2 id=\"4-%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a-BKyUXAzClQ\">4. \u67e5\u8a62\u6578\u64da<\/h2>\n<p>\u67e5\u8a62\u6578\u64da\u662fDB2\u6578\u64da\u5eab\u64cd\u4f5c\u4e2d\u6700\u5e38\u898b\u7684\u9700\u6c42\u3002\u53ef\u4ee5\u4f7f\u7528SELECT\u8a9e\u53e5\u4f86\u67e5\u8a62\u6578\u64da\uff1a<\/p>\n<pre><code>SELECT * FROM EMPLOYEE;<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u8fd4\u56deEMPLOYEE\u8868\u4e2d\u7684\u6240\u6709\u8a18\u9304\u3002\u5982\u679c\u53ea\u60f3\u67e5\u8a62\u7279\u5b9a\u7684\u5b57\u6bb5\uff0c\u53ef\u4ee5\u9019\u6a23\u5beb\uff1a<\/p>\n<pre><code>SELECT NAME, AGE FROM EMPLOYEE;<\/code><\/pre>\n<h2 id=\"5-%e6%9b%b4%e6%96%b0%e6%95%b8%e6%93%9a-BKyUXAzClQ\">5. \u66f4\u65b0\u6578\u64da<\/h2>\n<p>\u5982\u679c\u9700\u8981\u66f4\u65b0\u8868\u4e2d\u7684\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528UPDATE\u8a9e\u53e5\uff1a<\/p>\n<pre><code>UPDATE EMPLOYEE SET AGE = 31 WHERE ID = 1;<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07ID\u70ba1\u7684\u54e1\u5de5\u7684\u5e74\u9f61\u66f4\u65b0\u70ba31\u3002<\/p>\n<h2 id=\"6-%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a-BKyUXAzClQ\">6. \u522a\u9664\u6578\u64da<\/h2>\n<p>\u522a\u9664\u6578\u64da\u53ef\u4ee5\u4f7f\u7528DELETE\u8a9e\u53e5\uff1a<\/p>\n<pre><code>DELETE FROM EMPLOYEE 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=\"7-%e5%89%b5%e5%bb%ba%e7%b4%a2%e5%bc%95-BKyUXAzClQ\">7. \u5275\u5efa\u7d22\u5f15<\/h2>\n<p>\u70ba\u4e86\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u53ef\u4ee5\u70ba\u8868\u5275\u5efa\u7d22\u5f15\uff1a<\/p>\n<pre><code>CREATE INDEX idx_department ON EMPLOYEE (DEPARTMENT);<\/code><\/pre>\n<p>\u9019\u5c07\u5728DEPARTMENT\u5b57\u6bb5\u4e0a\u5275\u5efa\u4e00\u500b\u7d22\u5f15\uff0c\u5f9e\u800c\u52a0\u5feb\u57fa\u65bc\u8a72\u5b57\u6bb5\u7684\u67e5\u8a62\u901f\u5ea6\u3002<\/p>\n<h2 id=\"8-%e6%95%b8%e6%93%9a%e5%82%99%e4%bb%bd%e8%88%87%e6%81%a2%e5%be%a9-BKyUXAzClQ\">8. \u6578\u64da\u5099\u4efd\u8207\u6062\u5fa9<\/h2>\n<p>\u6578\u64da\u5099\u4efd\u662f\u78ba\u4fdd\u6578\u64da\u5b89\u5168\u7684\u91cd\u8981\u6b65\u9a5f\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u9032\u884c\u6578\u64da\u5099\u4efd\uff1a<\/p>\n<pre><code>db2 backup db MYDB to \/backup\/directory;<\/code><\/pre>\n<p>\u8981\u6062\u5fa9\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n<pre><code>db2 restore db MYDB from \/backup\/directory;<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-BKyUXAzClQ\">\u7e3d\u7d50<\/h2>\n<p>\u672c\u6587\u4ecb\u7d39\u4e86DB2\u6578\u64da\u5eab\u7684\u4e00\u4e9b\u57fa\u672c\u65e5\u5e38\u64cd\u4f5c\uff0c\u5305\u62ec\u9023\u63a5\u6578\u64da\u5eab\u3001\u5275\u5efa\u8868\u3001\u63d2\u5165\u3001\u67e5\u8a62\u3001\u66f4\u65b0\u548c\u522a\u9664\u6578\u64da\uff0c\u4ee5\u53ca\u5275\u5efa\u7d22\u5f15\u548c\u6578\u64da\u5099\u4efd\u8207\u6062\u5fa9\u7b49\u3002\u9019\u4e9b\u64cd\u4f5c\u662f\u4f7f\u7528DB2\u6578\u64da\u5eab\u7684\u57fa\u790e\uff0c\u638c\u63e1\u9019\u4e9b\u6280\u80fd\u5c07\u6709\u52a9\u65bc\u7528\u6236\u66f4\u6709\u6548\u5730\u7ba1\u7406\u548c\u64cd\u4f5c\u6578\u64da\u3002<\/p>\n<p>\u5982\u679c\u60a8\u9700\u8981\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684DB2\u6578\u64da\u5eab\uff0c\u8acb\u8003\u616e\u6211\u5011\u7684\u670d\u52d9\u3002\u6211\u5011\u63d0\u4f9b\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u6578\u64da\u5eab\u548c\u61c9\u7528\u7a0b\u5e8f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22DB2\u6578\u64da\u5eab\u7684\u65e5\u5e38\u5be6\u7528\u64cd\u4f5c\uff0c\u5305\u62ec\u6578\u64da\u67e5\u8a62\u3001\u7dad\u8b77\u548c\u6027\u80fd\u512a\u5316\u6280\u5de7\uff0c\u63d0\u5347\u7ba1\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-60711","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60711","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=60711"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60711\/revisions"}],"predecessor-version":[{"id":60712,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60711\/revisions\/60712"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=60711"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=60711"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=60711"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}