{"id":173453,"date":"2024-11-07T18:09:21","date_gmt":"2024-11-07T10:09:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/173453\/"},"modified":"2024-11-07T18:09:22","modified_gmt":"2024-11-07T10:09:22","slug":"%e5%a6%82%e4%bd%95%e7%ae%a1%e7%90%86db2%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/173453\/","title":{"rendered":"\u5982\u4f55\u7ba1\u7406DB2\u6578\u64da\u5eab"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e7%ae%a1%e7%90%86db2%e6%95%b8%e6%93%9a%e5%ba%ab-zeHSbNNQFI\">\u5982\u4f55\u7ba1\u7406DB2\u6578\u64da\u5eab<\/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\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406DB2\u6578\u64da\u5eab\u6210\u70ba\u4e86\u8a31\u591a\u4f01\u696d\u9762\u81e8\u7684\u91cd\u8981\u6311\u6230\u3002\u672c\u6587\u5c07\u63a2\u8a0eDB2\u6578\u64da\u5eab\u7684\u7ba1\u7406\u65b9\u6cd5\uff0c\u5305\u62ec\u5b89\u88dd\u3001\u914d\u7f6e\u3001\u7dad\u8b77\u548c\u6027\u80fd\u512a\u5316\u7b49\u65b9\u9762\u3002<\/p>\n<h2 id=\"1-%e5%ae%89%e8%a3%9ddb2%e6%95%b8%e6%93%9a%e5%ba%ab-zeHSbNNQFI\">1. \u5b89\u88ddDB2\u6578\u64da\u5eab<\/h2>\n<p>\u5b89\u88ddDB2\u6578\u64da\u5eab\u7684\u7b2c\u4e00\u6b65\u662f\u4e0b\u8f09\u5b89\u88dd\u5305\u3002\u7528\u6236\u53ef\u4ee5\u5f9eIBM\u7684\u5b98\u65b9\u7db2\u7ad9\u7372\u53d6\u6700\u65b0\u7248\u672c\u7684DB2\u3002\u5b89\u88dd\u904e\u7a0b\u4e2d\uff0c\u9700\u6839\u64da\u7cfb\u7d71\u8981\u6c42\u9078\u64c7\u5408\u9069\u7684\u7248\u672c\uff0c\u4e26\u9075\u5faa\u5b89\u88dd\u5411\u5c0e\u7684\u6307\u793a\u9032\u884c\u5b89\u88dd\u3002<\/p>\n<pre><code>1. \u4e0b\u8f09DB2\u5b89\u88dd\u5305\u3002\n2. \u904b\u884c\u5b89\u88dd\u7a0b\u5e8f\uff0c\u9078\u64c7\u5b89\u88dd\u985e\u578b\uff08\u5178\u578b\u3001\u8a73\u7d30\u6216\u81ea\u5b9a\u7fa9\uff09\u3002\n3. \u914d\u7f6e\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u8cec\u6236\u548c\u5bc6\u78bc\u3002\n4. \u5b8c\u6210\u5b89\u88dd\u4e26\u91cd\u555f\u7cfb\u7d71\u3002<\/code><\/pre>\n<h2 id=\"2-%e9%85%8d%e7%bd%aedb2%e6%95%b8%e6%93%9a%e5%ba%ab-zeHSbNNQFI\">2. \u914d\u7f6eDB2\u6578\u64da\u5eab<\/h2>\n<p>\u5b89\u88dd\u5b8c\u6210\u5f8c\uff0c\u9700\u9032\u884c\u57fa\u672c\u914d\u7f6e\u4ee5\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u6b63\u5e38\u904b\u884c\u3002\u9019\u5305\u62ec\u8a2d\u7f6e\u6578\u64da\u5eab\u5be6\u4f8b\u3001\u914d\u7f6e\u6578\u64da\u5eab\u53c3\u6578\u4ee5\u53ca\u8a2d\u7f6e\u7528\u6236\u6b0a\u9650\u3002<\/p>\n<h3 id=\"2-1-%e5%89%b5%e5%bb%ba%e6%95%b8%e6%93%9a%e5%ba%ab%e5%af%a6%e4%be%8b-zeHSbNNQFI\">2.1 \u5275\u5efa\u6578\u64da\u5eab\u5be6\u4f8b<\/h3>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5275\u5efa\u4e00\u500b\u65b0\u7684DB2\u5be6\u4f8b\uff1a<\/p>\n<pre><code>db2icrt mydb2instance<\/code><\/pre>\n<p>\u9019\u88e1\uff0c&#8221;mydb2instance&#8221;\u662f\u7528\u6236\u81ea\u5b9a\u7fa9\u7684\u5be6\u4f8b\u540d\u7a31\u3002\u5275\u5efa\u5be6\u4f8b\u5f8c\uff0c\u9700\u555f\u52d5\u5be6\u4f8b\uff1a<\/p>\n<pre><code>db2 start mydb2instance<\/code><\/pre>\n<h3 id=\"2-2-%e9%85%8d%e7%bd%ae%e6%95%b8%e6%93%9a%e5%ba%ab%e5%8f%83%e6%95%b8-zeHSbNNQFI\">2.2 \u914d\u7f6e\u6578\u64da\u5eab\u53c3\u6578<\/h3>\n<p>DB2\u63d0\u4f9b\u4e86\u591a\u7a2e\u53c3\u6578\u4f86\u8abf\u6574\u6578\u64da\u5eab\u6027\u80fd\u3002\u7528\u6236\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u548c\u4fee\u6539\u53c3\u6578\uff1a<\/p>\n<pre><code>db2 get db cfg for mydatabase\ndb2 update db cfg using LOGFILSIZ 1000<\/code><\/pre>\n<p>\u4e0a\u8ff0\u547d\u4ee4\u5c07\u65e5\u8a8c\u6587\u4ef6\u5927\u5c0f\u8a2d\u7f6e\u70ba1000MB\u3002<\/p>\n<h3 id=\"2-3-%e8%a8%ad%e7%bd%ae%e7%94%a8%e6%88%b6%e6%ac%8a%e9%99%90-zeHSbNNQFI\">2.3 \u8a2d\u7f6e\u7528\u6236\u6b0a\u9650<\/h3>\n<p>\u70ba\u4e86\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u5b89\u5168\u6027\uff0c\u9700\u70ba\u4e0d\u540c\u7528\u6236\u8a2d\u7f6e\u76f8\u61c9\u7684\u6b0a\u9650\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6388\u4e88\u7528\u6236\u8a2a\u554f\u6b0a\u9650\uff1a<\/p>\n<pre><code>db2 GRANT CONNECT ON DATABASE TO USER myuser<\/code><\/pre>\n<h2 id=\"3-%e7%b6%ad%e8%ad%b7db2%e6%95%b8%e6%93%9a%e5%ba%ab-zeHSbNNQFI\">3. \u7dad\u8b77DB2\u6578\u64da\u5eab<\/h2>\n<p>\u5b9a\u671f\u7dad\u8b77\u662f\u78ba\u4fddDB2\u6578\u64da\u5eab\u7a69\u5b9a\u904b\u884c\u7684\u95dc\u9375\u3002\u7dad\u8b77\u5de5\u4f5c\u5305\u62ec\u6578\u64da\u5099\u4efd\u3001\u6578\u64da\u6062\u5fa9\u548c\u6027\u80fd\u76e3\u63a7\u3002<\/p>\n<h3 id=\"3-1-%e6%95%b8%e6%93%9a%e5%82%99%e4%bb%bd-zeHSbNNQFI\">3.1 \u6578\u64da\u5099\u4efd<\/h3>\n<p>DB2\u63d0\u4f9b\u4e86\u591a\u7a2e\u5099\u4efd\u9078\u9805\uff0c\u5305\u62ec\u5b8c\u6574\u5099\u4efd\u548c\u589e\u91cf\u5099\u4efd\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u9032\u884c\u5b8c\u6574\u5099\u4efd\uff1a<\/p>\n<pre><code>db2 BACKUP DATABASE mydatabase TO \/backup<\/code><\/pre>\n<h3 id=\"3-2-%e6%95%b8%e6%93%9a%e6%81%a2%e5%be%a9-zeHSbNNQFI\">3.2 \u6578\u64da\u6062\u5fa9<\/h3>\n<p>\u5728\u6578\u64da\u640d\u58de\u6216\u4e1f\u5931\u7684\u60c5\u6cc1\u4e0b\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6062\u5fa9\u6578\u64da\u5eab\uff1a<\/p>\n<pre><code>db2 RESTORE DATABASE mydatabase FROM \/backup<\/code><\/pre>\n<h3 id=\"3-3-%e6%80%a7%e8%83%bd%e7%9b%a3%e6%8e%a7-zeHSbNNQFI\">3.3 \u6027\u80fd\u76e3\u63a7<\/h3>\n<p>DB2\u63d0\u4f9b\u4e86\u591a\u7a2e\u5de5\u5177\u4f86\u76e3\u63a7\u6578\u64da\u5eab\u6027\u80fd\uff0c\u5305\u62ecDB2 Performance Expert\u548cDB2 Monitoring Tools\u3002\u7528\u6236\u53ef\u4ee5\u901a\u904e\u9019\u4e9b\u5de5\u5177\u7372\u53d6\u6027\u80fd\u5831\u544a\uff0c\u4e26\u6839\u64da\u5831\u544a\u9032\u884c\u8abf\u6574\u3002<\/p>\n<h2 id=\"4-%e6%80%a7%e8%83%bd%e5%84%aa%e5%8c%96-zeHSbNNQFI\">4. \u6027\u80fd\u512a\u5316<\/h2>\n<p>\u70ba\u4e86\u63d0\u9ad8DB2\u6578\u64da\u5eab\u7684\u6027\u80fd\uff0c\u9700\u5b9a\u671f\u9032\u884c\u512a\u5316\u3002\u9019\u5305\u62ec\u7d22\u5f15\u7ba1\u7406\u3001\u67e5\u8a62\u512a\u5316\u548c\u8cc7\u6e90\u914d\u7f6e\u3002<\/p>\n<h3 id=\"4-1-%e7%b4%a2%e5%bc%95%e7%ae%a1%e7%90%86-zeHSbNNQFI\">4.1 \u7d22\u5f15\u7ba1\u7406<\/h3>\n<p>\u7d22\u5f15\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002\u7528\u6236\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5275\u5efa\u7d22\u5f15\uff1a<\/p>\n<pre><code>db2 CREATE INDEX myindex ON mytable (mycolumn)<\/code><\/pre>\n<h3 id=\"4-2-%e6%9f%a5%e8%a9%a2%e5%84%aa%e5%8c%96-zeHSbNNQFI\">4.2 \u67e5\u8a62\u512a\u5316<\/h3>\n<p>\u4f7f\u7528EXPLAIN\u547d\u4ee4\u53ef\u4ee5\u5206\u6790\u67e5\u8a62\u7684\u57f7\u884c\u8a08\u5283\uff0c\u5f9e\u800c\u627e\u51fa\u6027\u80fd\u74f6\u9838\uff1a<\/p>\n<pre><code>db2 EXPLAIN SELECT * FROM mytable WHERE mycolumn = 'value'<\/code><\/pre>\n<h3 id=\"4-3-%e8%b3%87%e6%ba%90%e9%85%8d%e7%bd%ae-zeHSbNNQFI\">4.3 \u8cc7\u6e90\u914d\u7f6e<\/h3>\n<p>\u6839\u64da\u6578\u64da\u5eab\u7684\u4f7f\u7528\u60c5\u6cc1\uff0c\u8abf\u6574\u5167\u5b58\u548cCPU\u7684\u914d\u7f6e\uff0c\u4ee5\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u9ad8\u6548\u904b\u884c\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-zeHSbNNQFI\">\u7e3d\u7d50<\/h2>\n<p>\u7ba1\u7406DB2\u6578\u64da\u5eab\u9700\u8981\u5168\u9762\u7684\u77e5\u8b58\u548c\u6280\u80fd\uff0c\u5305\u62ec\u5b89\u88dd\u3001\u914d\u7f6e\u3001\u7dad\u8b77\u548c\u6027\u80fd\u512a\u5316\u7b49\u65b9\u9762\u3002\u901a\u904e\u5b9a\u671f\u7684\u7dad\u8b77\u548c\u512a\u5316\uff0c\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u7a69\u5b9a\u6027\u548c\u9ad8\u6548\u6027\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u7684\u4f01\u696d\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u6216 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u70baDB2\u6578\u64da\u5eab\u63d0\u4f9b\u7a69\u5b9a\u7684\u904b\u884c\u74b0\u5883\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u6709\u6548\u7ba1\u7406DB2\u6578\u64da\u5eab\uff0c\u5305\u62ec\u6027\u80fd\u512a\u5316\u3001\u5099\u4efd\u6062\u5fa9\u548c\u5b89\u5168\u6027\u8a2d\u7f6e\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\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-173453","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/173453","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=173453"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/173453\/revisions"}],"predecessor-version":[{"id":173454,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/173453\/revisions\/173454"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=173453"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=173453"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=173453"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}