{"id":60815,"date":"2024-10-13T06:02:16","date_gmt":"2024-10-12T22:02:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/60815\/"},"modified":"2024-10-13T06:02:16","modified_gmt":"2024-10-12T22:02:16","slug":"db2%e6%95%b8%e6%93%9a%e5%ba%ab%e7%82%ba%e5%96%ae%e5%80%8b%e6%9c%83%e8%a9%b1%e7%9a%84%e9%8e%96%e5%ae%9a%e6%8a%80%e5%b7%a7%e5%a6%82%e4%bd%95%e5%85%b6%e4%bd%9c%e7%94%a8%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/60815\/","title":{"rendered":"DB2\u6578\u64da\u5eab\u70ba\u55ae\u500b\u6703\u8a71\u7684\u9396\u5b9a\u6280\u5de7\u5982\u4f55\u5176\u4f5c\u7528\uff1f"},"content":{"rendered":"<h1 id=\"db2%e6%95%b8%e6%93%9a%e5%ba%ab%e7%82%ba%e5%96%ae%e5%80%8b%e6%9c%83%e8%a9%b1%e7%9a%84%e9%8e%96%e5%ae%9a%e6%8a%80%e5%b7%a7%e5%a6%82%e4%bd%95%e5%85%b6%e4%bd%9c%e7%94%a8%ef%bc%9f-lGvoAPWCOR\">DB2\u6578\u64da\u5eab\u70ba\u55ae\u500b\u6703\u8a71\u7684\u9396\u5b9a\u6280\u5de7\u5982\u4f55\u5176\u4f5c\u7528\uff1f<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0c\u9396\u5b9a\u662f\u4e00\u500b\u81f3\u95dc\u91cd\u8981\u7684\u6982\u5ff5\uff0c\u7279\u5225\u662f\u5728\u591a\u7528\u6236\u74b0\u5883\u4e2d\u3002IBM\u7684DB2\u6578\u64da\u5eab\u7cfb\u7d71\u63d0\u4f9b\u4e86\u591a\u7a2e\u9396\u5b9a\u6a5f\u5236\uff0c\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002\u672c\u6587\u5c07\u63a2\u8a0eDB2\u6578\u64da\u5eab\u4e2d\u70ba\u55ae\u500b\u6703\u8a71\u7684\u9396\u5b9a\u6280\u5de7\u53ca\u5176\u4f5c\u7528\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e9%8e%96%e5%ae%9a%ef%bc%9f-lGvoAPWCOR\">\u4ec0\u9ebc\u662f\u9396\u5b9a\uff1f<\/h2>\n<p>\u9396\u5b9a\u662f\u6307\u5728\u6578\u64da\u5eab\u4e2d\u5c0d\u7279\u5b9a\u8cc7\u6e90\uff08\u5982\u8868\u3001\u884c\u6216\u9801\u9762\uff09\u65bd\u52a0\u7684\u63a7\u5236\uff0c\u4ee5\u9632\u6b62\u5176\u4ed6\u6703\u8a71\u540c\u6642\u8a2a\u554f\u8a72\u8cc7\u6e90\u3002\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u6578\u64da\u7af6\u722d\u548c\u4e0d\u4e00\u81f4\u7684\u60c5\u6cc1\u3002DB2\u4f7f\u7528\u9396\u5b9a\u4f86\u7ba1\u7406\u4e26\u767c\u8a2a\u554f\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u3002<\/p>\n<h2 id=\"db2%e7%9a%84%e9%8e%96%e5%ae%9a%e9%a1%9e%e5%9e%8b-lGvoAPWCOR\">DB2\u7684\u9396\u5b9a\u985e\u578b<\/h2>\n<p>DB2\u63d0\u4f9b\u4e86\u5e7e\u7a2e\u4e0d\u540c\u985e\u578b\u7684\u9396\u5b9a\uff0c\u4e3b\u8981\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u5171\u4eab\u9396\uff08S Lock\uff09<\/strong>\uff1a\u5141\u8a31\u591a\u500b\u6703\u8a71\u540c\u6642\u8b80\u53d6\u6578\u64da\uff0c\u4f46\u4e0d\u5141\u8a31\u4fee\u6539\u3002<\/li>\n<li><strong>\u6392\u4ed6\u9396\uff08X Lock\uff09<\/strong>\uff1a\u53ea\u5141\u8a31\u4e00\u500b\u6703\u8a71\u5c0d\u6578\u64da\u9032\u884c\u8b80\u53d6\u548c\u4fee\u6539\uff0c\u5176\u4ed6\u6703\u8a71\u7121\u6cd5\u8a2a\u554f\u3002<\/li>\n<li><strong>\u610f\u5411\u9396\uff08I Lock\uff09<\/strong>\uff1a\u7528\u65bc\u6307\u793a\u4e00\u500b\u6703\u8a71\u5e0c\u671b\u5728\u67d0\u500b\u5c64\u7d1a\u4e0a\u7372\u5f97\u6392\u4ed6\u9396\u6216\u5171\u4eab\u9396\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%96%ae%e5%80%8b%e6%9c%83%e8%a9%b1%e7%9a%84%e9%8e%96%e5%ae%9a%e6%8a%80%e5%b7%a7-lGvoAPWCOR\">\u55ae\u500b\u6703\u8a71\u7684\u9396\u5b9a\u6280\u5de7<\/h2>\n<p>\u5728DB2\u4e2d\uff0c\u70ba\u4e86\u63d0\u9ad8\u6027\u80fd\u548c\u6578\u64da\u4e00\u81f4\u6027\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u63a1\u7528\u4ee5\u4e0b\u9396\u5b9a\u6280\u5de7\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e9%81%a9%e7%95%b6%e7%9a%84%e9%8e%96%e5%ae%9a%e7%b2%92%e5%ba%a6-lGvoAPWCOR\">1. \u4f7f\u7528\u9069\u7576\u7684\u9396\u5b9a\u7c92\u5ea6<\/h3>\n<p>\u9396\u5b9a\u7c92\u5ea6\u6307\u7684\u662f\u9396\u5b9a\u7684\u7bc4\u570d\u3002DB2\u5141\u8a31\u7528\u6236\u9078\u64c7\u884c\u7d1a\u9396\u6216\u8868\u7d1a\u9396\u3002\u884c\u7d1a\u9396\u7684\u512a\u52e2\u5728\u65bc\u5b83\u80fd\u5920\u63d0\u9ad8\u4e26\u767c\u6027\uff0c\u56e0\u70ba\u591a\u500b\u6703\u8a71\u53ef\u4ee5\u540c\u6642\u8a2a\u554f\u4e0d\u540c\u7684\u884c\u3002\u76f8\u5c0d\u800c\u8a00\uff0c\u8868\u7d1a\u9396\u5247\u6703\u9650\u5236\u4e26\u767c\u8a2a\u554f\uff0c\u9069\u5408\u65bc\u9700\u8981\u5c0d\u6574\u500b\u8868\u9032\u884c\u64cd\u4f5c\u7684\u60c5\u6cc1\u3002<\/p>\n<pre><code>-- \u884c\u7d1a\u9396\u793a\u4f8b\nUPDATE my_table SET column1 = 'value' WHERE id = 1 WITH RS USE AND KEEP UPDATE LOCKS;<\/code><\/pre>\n<h3 id=\"2-%e9%81%a9%e6%99%82%e9%87%8b%e6%94%be%e9%8e%96%e5%ae%9a-lGvoAPWCOR\">2. \u9069\u6642\u91cb\u653e\u9396\u5b9a<\/h3>\n<p>\u5728DB2\u4e2d\uff0c\u9396\u5b9a\u6703\u5728\u6703\u8a71\u7d50\u675f\u6642\u81ea\u52d5\u91cb\u653e\uff0c\u4f46\u958b\u767c\u8005\u53ef\u4ee5\u901a\u904e\u660e\u78ba\u7684\u63d0\u4ea4\u6216\u56de\u6efe\u64cd\u4f5c\u4f86\u63d0\u524d\u91cb\u653e\u9396\u5b9a\u3002\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u9396\u5b9a\u7684\u6301\u6709\u6642\u9593\uff0c\u5f9e\u800c\u63d0\u9ad8\u7cfb\u7d71\u7684\u6574\u9ad4\u6027\u80fd\u3002<\/p>\n<pre><code>-- \u63d0\u4ea4\u64cd\u4f5c\u793a\u4f8b\nCOMMIT;<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e9%8e%96%e5%ae%9a%e5%84%aa%e5%85%88%e7%b4%9a-lGvoAPWCOR\">3. \u4f7f\u7528\u9396\u5b9a\u512a\u5148\u7d1a<\/h3>\n<p>DB2\u5141\u8a31\u7528\u6236\u8a2d\u7f6e\u9396\u5b9a\u512a\u5148\u7d1a\uff0c\u4ee5\u78ba\u4fdd\u91cd\u8981\u7684\u64cd\u4f5c\u80fd\u5920\u512a\u5148\u7372\u5f97\u9396\u5b9a\u3002\u9019\u5728\u9ad8\u4e26\u767c\u74b0\u5883\u4e2d\u5c24\u70ba\u91cd\u8981\uff0c\u53ef\u4ee5\u6709\u6548\u6e1b\u5c11\u6b7b\u9396\u7684\u767c\u751f\u3002<\/p>\n<pre><code>-- \u8a2d\u7f6e\u9396\u5b9a\u512a\u5148\u7d1a\u793a\u4f8b\nSET CURRENT LOCK TIMEOUT = 10;<\/code><\/pre>\n<h2 id=\"%e9%8e%96%e5%ae%9a%e7%9a%84%e5%bd%b1%e9%9f%bf-lGvoAPWCOR\">\u9396\u5b9a\u7684\u5f71\u97ff<\/h2>\n<p>\u96d6\u7136\u9396\u5b9a\u80fd\u5920\u4fdd\u8b77\u6578\u64da\u7684\u4e00\u81f4\u6027\uff0c\u4f46\u904e\u5ea6\u7684\u9396\u5b9a\u4e5f\u53ef\u80fd\u5c0e\u81f4\u6027\u80fd\u74f6\u9838\u3002\u958b\u767c\u8005\u9700\u8981\u5728\u6578\u64da\u4e00\u81f4\u6027\u548c\u7cfb\u7d71\u6027\u80fd\u4e4b\u9593\u627e\u5230\u5e73\u8861\u3002\u9069\u7576\u7684\u9396\u5b9a\u7b56\u7565\u53ef\u4ee5\u6e1b\u5c11\u6b7b\u9396\u7684\u98a8\u96aa\uff0c\u4e26\u63d0\u9ad8\u7cfb\u7d71\u7684\u97ff\u61c9\u901f\u5ea6\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-lGvoAPWCOR\">\u7d50\u8ad6<\/h2>\n<p>DB2\u6578\u64da\u5eab\u7684\u9396\u5b9a\u6a5f\u5236\u5c0d\u65bc\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u5408\u7406\u4f7f\u7528\u9396\u5b9a\u6280\u5de7\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5728\u591a\u7528\u6236\u74b0\u5883\u4e2d\u6709\u6548\u7ba1\u7406\u6578\u64da\u8a2a\u554f\uff0c\u5f9e\u800c\u63d0\u9ad8\u7cfb\u7d71\u6027\u80fd\u3002\u4e86\u89e3\u548c\u638c\u63e1\u9019\u4e9b\u9396\u5b9a\u6280\u5de7\uff0c\u5c07\u6709\u52a9\u65bc\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u66f4\u597d\u5730\u61c9\u5c0d\u6578\u64da\u5eab\u7684\u6311\u6230\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u548c\u6578\u64da\u5eab\u7ba1\u7406\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22DB2\u6578\u64da\u5eab\u4e2d\u55ae\u500b\u6703\u8a71\u7684\u9396\u5b9a\u6280\u5de7\u53ca\u5176\u4f5c\u7528\uff0c\u63d0\u5347\u6578\u64da\u4e00\u81f4\u6027\u8207\u6027\u80fd\uff0c\u78ba\u4fdd\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\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-60815","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60815","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=60815"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60815\/revisions"}],"predecessor-version":[{"id":60816,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60815\/revisions\/60816"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=60815"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=60815"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=60815"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}