{"id":183668,"date":"2024-11-10T06:44:19","date_gmt":"2024-11-09T22:44:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/183668\/"},"modified":"2024-11-10T06:44:20","modified_gmt":"2024-11-09T22:44:20","slug":"%e4%bd%bf%e7%94%a8db2%e5%bf%85%e9%a0%88%e4%ba%86%e8%a7%a3%e7%9a%84%e5%b9%be%e5%80%8b%e7%9f%a5%e8%ad%98%e9%bb%9e","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/183668\/","title":{"rendered":"\u4f7f\u7528DB2\u5fc5\u9808\u4e86\u89e3\u7684\u5e7e\u500b\u77e5\u8b58\u9ede"},"content":{"rendered":"<h1 id=\"%e4%bd%bf%e7%94%a8db2%e5%bf%85%e9%a0%88%e4%ba%86%e8%a7%a3%e7%9a%84%e5%b9%be%e5%80%8b%e7%9f%a5%e8%ad%98%e9%bb%9e-vIYeQrTWDr\">\u4f7f\u7528DB2\u5fc5\u9808\u4e86\u89e3\u7684\u5e7e\u500b\u77e5\u8b58\u9ede<\/h1>\n<p>DB2\u662fIBM\u516c\u53f8\u958b\u767c\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\u5927\u578b\u4f01\u696d\u9084\u662f\u4e2d\u5c0f\u578b\u4f01\u696d\uff0cDB2\u90fd\u80fd\u63d0\u4f9b\u9ad8\u6548\u7684\u6578\u64da\u8655\u7406\u80fd\u529b\u548c\u7a69\u5b9a\u7684\u6027\u80fd\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u4f7f\u7528DB2\u6642\u5fc5\u9808\u4e86\u89e3\u7684\u5e7e\u500b\u77e5\u8b58\u9ede\uff0c\u5e6b\u52a9\u7528\u6236\u66f4\u597d\u5730\u638c\u63e1\u9019\u4e00\u5f37\u5927\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u3002<\/p>\n<h2 id=\"1-db2%e7%9a%84%e6%9e%b6%e6%a7%8b-vIYeQrTWDr\">1. DB2\u7684\u67b6\u69cb<\/h2>\n<p>DB2\u7684\u67b6\u69cb\u4e3b\u8981\u7531\u4ee5\u4e0b\u5e7e\u500b\u90e8\u5206\u7d44\u6210\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u5eab\u7ba1\u7406\u5668\uff1a<\/strong>\u8ca0\u8cac\u6578\u64da\u7684\u5b58\u5132\u3001\u6aa2\u7d22\u548c\u7ba1\u7406\u3002<\/li>\n<li><strong>\u6578\u64da\u5eab\u5be6\u4f8b\uff1a<\/strong>\u6bcf\u500bDB2\u5be6\u4f8b\u53ef\u4ee5\u5305\u542b\u591a\u500b\u6578\u64da\u5eab\uff0c\u4e26\u4e14\u6bcf\u500b\u5be6\u4f8b\u90fd\u662f\u7368\u7acb\u7684\u3002<\/li>\n<li><strong>\u6578\u64da\u5eab\uff1a<\/strong>\u5be6\u969b\u5b58\u5132\u6578\u64da\u7684\u5730\u65b9\uff0c\u5305\u542b\u8868\u3001\u7d22\u5f15\u3001\u8996\u5716\u7b49\u3002<\/li>\n<li><strong>\u5ba2\u6236\u7aef\u61c9\u7528\uff1a<\/strong>\u7528\u6236\u901a\u904e\u5ba2\u6236\u7aef\u61c9\u7528\u8207DB2\u9032\u884c\u4ea4\u4e92\u3002<\/li>\n<\/ul>\n<h2 id=\"2-sql%e8%aa%9e%e8%a8%80%e7%9a%84%e4%bd%bf%e7%94%a8-vIYeQrTWDr\">2. SQL\u8a9e\u8a00\u7684\u4f7f\u7528<\/h2>\n<p>DB2\u652f\u6301\u6a19\u6e96\u7684SQL\u8a9e\u8a00\uff0c\u4e26\u4e14\u63d0\u4f9b\u4e86\u4e00\u4e9b\u64f4\u5c55\u529f\u80fd\u3002\u7528\u6236\u53ef\u4ee5\u4f7f\u7528SQL\u9032\u884c\u6578\u64da\u67e5\u8a62\u3001\u63d2\u5165\u3001\u66f4\u65b0\u548c\u522a\u9664\u7b49\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u67e5\u8a62\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT * FROM customers WHERE country = 'Hong Kong';<\/code><\/pre>\n<p>\u6b64\u5916\uff0cDB2\u9084\u652f\u6301\u5b58\u5132\u904e\u7a0b\u548c\u89f8\u767c\u5668\uff0c\u9019\u4e9b\u529f\u80fd\u53ef\u4ee5\u5e6b\u52a9\u7528\u6236\u5be6\u73fe\u66f4\u8907\u96dc\u7684\u696d\u52d9\u908f\u8f2f\u3002<\/p>\n<h2 id=\"3-%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%80%a7%e8%83%bd%e5%84%aa%e5%8c%96-vIYeQrTWDr\">3. \u6578\u64da\u5eab\u7684\u6027\u80fd\u512a\u5316<\/h2>\n<p>\u70ba\u4e86\u63d0\u9ad8DB2\u7684\u6027\u80fd\uff0c\u7528\u6236\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\uff1a<\/p>\n<ul>\n<li><strong>\u7d22\u5f15\u7684\u4f7f\u7528\uff1a<\/strong>\u5408\u7406\u5730\u4f7f\u7528\u7d22\u5f15\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002\u7528\u6236\u61c9\u6839\u64da\u67e5\u8a62\u7684\u7279\u9ede\u9078\u64c7\u5408\u9069\u7684\u7d22\u5f15\u985e\u578b\u3002<\/li>\n<li><strong>\u67e5\u8a62\u512a\u5316\uff1a<\/strong>\u4f7f\u7528EXPLAIN\u547d\u4ee4\u53ef\u4ee5\u5206\u6790\u67e5\u8a62\u7684\u57f7\u884c\u8a08\u5283\uff0c\u5f9e\u800c\u627e\u51fa\u6027\u80fd\u74f6\u9838\u3002<\/li>\n<li><strong>\u5167\u5b58\u914d\u7f6e\uff1a<\/strong>\u6839\u64da\u5be6\u969b\u9700\u6c42\u8abf\u6574DB2\u7684\u5167\u5b58\u914d\u7f6e\uff0c\u4ee5\u78ba\u4fdd\u6578\u64da\u5eab\u904b\u884c\u7684\u6d41\u66a2\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"4-%e6%95%b8%e6%93%9a%e5%ae%89%e5%85%a8%e6%80%a7-vIYeQrTWDr\">4. \u6578\u64da\u5b89\u5168\u6027<\/h2>\n<p>DB2\u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u5b89\u5168\u6027\u63aa\u65bd\uff0c\u5305\u62ec\u7528\u6236\u8eab\u4efd\u9a57\u8b49\u3001\u6388\u6b0a\u548c\u6578\u64da\u52a0\u5bc6\u3002\u7528\u6236\u53ef\u4ee5\u8a2d\u7f6e\u4e0d\u540c\u7684\u6b0a\u9650\u4f86\u63a7\u5236\u5c0d\u6578\u64da\u7684\u8a2a\u554f\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u4f86\u6388\u4e88\u7528\u6236\u8a2a\u554f\u67d0\u500b\u8868\u7684\u6b0a\u9650\uff1a<\/p>\n<pre><code>GRANT SELECT ON customers TO user1;<\/code><\/pre>\n<p>\u6b64\u5916\uff0cDB2\u9084\u652f\u6301\u6578\u64da\u52a0\u5bc6\u529f\u80fd\uff0c\u78ba\u4fdd\u6578\u64da\u5728\u5b58\u5132\u548c\u50b3\u8f38\u904e\u7a0b\u4e2d\u7684\u5b89\u5168\u6027\u3002<\/p>\n<h2 id=\"5-%e6%95%b8%e6%93%9a%e5%82%99%e4%bb%bd%e8%88%87%e6%81%a2%e5%be%a9-vIYeQrTWDr\">5. \u6578\u64da\u5099\u4efd\u8207\u6062\u5fa9<\/h2>\n<p>\u6578\u64da\u5099\u4efd\u662f\u78ba\u4fdd\u6578\u64da\u5b89\u5168\u7684\u91cd\u8981\u63aa\u65bd\u3002DB2\u63d0\u4f9b\u4e86\u591a\u7a2e\u5099\u4efd\u548c\u6062\u5fa9\u7b56\u7565\uff0c\u5305\u62ec\u5168\u5099\u4efd\u3001\u589e\u91cf\u5099\u4efd\u548c\u5dee\u7570\u5099\u4efd\u3002\u7528\u6236\u53ef\u4ee5\u6839\u64da\u696d\u52d9\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u5099\u4efd\u7b56\u7565\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u5168\u5099\u4efd\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>BACKUP DATABASE mydb TO '\/backup\/mydb.bak';<\/code><\/pre>\n<p>\u5728\u6578\u64da\u4e1f\u5931\u6216\u640d\u58de\u7684\u60c5\u6cc1\u4e0b\uff0c\u7528\u6236\u53ef\u4ee5\u4f7f\u7528\u6062\u5fa9\u547d\u4ee4\u4f86\u6062\u5fa9\u6578\u64da\u5eab\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-vIYeQrTWDr\">\u7e3d\u7d50<\/h2>\n<p>DB2\u662f\u4e00\u6b3e\u529f\u80fd\u5f37\u5927\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u4e86\u89e3\u5176\u67b6\u69cb\u3001SQL\u8a9e\u8a00\u3001\u6027\u80fd\u512a\u5316\u3001\u5b89\u5168\u6027\u4ee5\u53ca\u5099\u4efd\u8207\u6062\u5fa9\u7b49\u77e5\u8b58\u9ede\u5c0d\u65bc\u6709\u6548\u4f7f\u7528DB2\u81f3\u95dc\u91cd\u8981\u3002\u7121\u8ad6\u662f\u4f01\u696d\u9084\u662f\u958b\u767c\u8005\uff0c\u638c\u63e1\u9019\u4e9b\u57fa\u672c\u77e5\u8b58\u90fd\u80fd\u5e6b\u52a9\u4ed6\u5011\u66f4\u597d\u5730\u7ba1\u7406\u548c\u5229\u7528\u6578\u64da\u3002\u5982\u679c\u60a8\u9700\u8981\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u90e8\u7f72DB2\uff0c\u4eab\u53d7\u7a69\u5b9a\u7684\u6027\u80fd\u548c\u5b89\u5168\u7684\u6578\u64da\u7ba1\u7406\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u4f7f\u7528DB2\u7684\u95dc\u9375\u77e5\u8b58\u9ede\uff0c\u5305\u62ec\u5b89\u88dd\u3001\u914d\u7f6e\u3001\u6027\u80fd\u512a\u5316\u53ca\u6578\u64da\u7ba1\u7406\uff0c\u52a9\u60a8\u9ad8\u6548\u904b\u7528DB2\u6578\u64da\u5eab\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-183668","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183668","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=183668"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183668\/revisions"}],"predecessor-version":[{"id":183669,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183668\/revisions\/183669"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=183668"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=183668"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=183668"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}