{"id":1441,"date":"2021-01-18T20:01:31","date_gmt":"2021-01-18T12:01:31","guid":{"rendered":"https:\/\/www.wjxy.net.cn\/?p=1441"},"modified":"2023-10-04T06:32:39","modified_gmt":"2023-10-03T22:32:39","slug":"%e5%a6%82%e4%bd%95%e6%b8%85%e7%a9%basql%e6%95%b0%e6%8d%ae%e5%ba%93%e7%9a%84%e6%97%a5%e5%bf%97%e6%96%87%e4%bb%b6","status":"publish","type":"post","link":"https:\/\/www.wjxy.net.cn\/?p=1441","title":{"rendered":"\u5982\u4f55\u6e05\u7a7asql\u6570\u636e\u5e93\u7684\u65e5\u5fd7\u6587\u4ef6"},"content":{"rendered":"<p>SQLSERVER\u7684\u6570bai\u636e\u5e93\u65e5\u5fd7\u5360\u7528\u5f88\u5927\u7684\u7a7a\u95f4\uff0c\u4e0b\u9762\u63d0\u4f9b\u4e09\u79cd\u65b9\u6cd5\u7528\u4e8e\u6e05\u9664\u65e0\u7528\u7684\u6570\u636e\u5e93\u65e5\u5fd7\u6587\u4ef6<br \/>\n\u65b9\u6cd5\u4e00\uff1a<br \/>\n\u8bbe\u7f6e\u68c0\u67e5\u70b9\uff0c\u81ea\u52a8\u622a\u65ad\u65e5\u5fd7<br \/>\n\u3000\u3000\u4e00\u822c\u60c5\u51b5\u4e0b\uff0cSQL\u6570\u636e\u5e93\u7684\u6536\u7f29\u5e76\u4e0d\u80fd\u5f88\u5927\u7a0b\u5ea6\u4e0a\u51cf\u5c0f\u6570\u636e\u5e93\u5927\u5c0f\uff0c\u5176\u4e3b\u8981\u4f5c\u7528\u662f\u6536\u7f29\u65e5\u5fd7\u5927\u5c0f\uff0c\u5e94\u5f53\u5b9a\u671f\u8fdb\u884c\u6b64\u64cd\u4f5c\u4ee5\u514d\u6570\u636e\u5e93\u65e5\u5fd7\u8fc7\u5927<br \/>\n1\u3001\u8bbe\u7f6e\u6570\u636e\u5e93\u6a21\u5f0f\u4e3a\u7b80\u5355\u6a21\u5f0f\uff1a\u6253\u5f00SQL\u4f01\u4e1a\u7ba1\u7406\u5668\uff0c\u5728\u63a7\u5236\u53f0\u6839\u76ee\u5f55\u4e2d\u4f9d\u6b21\u70b9\u5f00Microsoft SQL Server&#8211;>SQL Server\u7ec4&#8211;>\u53cc\u51fb\u6253\u5f00\u4f60\u7684\u670d\u52a1\u5668&#8211;>\u53cc\u51fb\u6253\u5f00\u6570\u636e\u5e93\u76ee\u5f55&#8211;>\u9009\u62e9\u4f60\u7684\u6570\u636e\u5e93\u540d\u79f0\uff08\u5982\u7528\u6237\u6570\u636e\u5e93cwbase1\uff09&#8211;>\u7136\u540e\u70b9\u51fb\u53f3\u952e\u9009\u62e9\u5c5e\u6027&#8211;>\u9009\u62e9\u9009\u9879&#8211;>\u5728\u6545\u969c\u8fd8\u539f\u7684\u6a21\u5f0f\u4e2d\u9009\u62e9\u201c\u7b80\u5355\u201d\uff0c\u7136\u540e\u6309\u786e\u5b9a\u4fdd\u5b58<br \/>\n2\u3001\u5728\u5f53\u524d\u6570\u636e\u5e93\u4e0a\u70b9\u53f3\u952e\uff0c\u770b\u6240\u6709\u4efb\u52a1\u4e2d\u7684\u6536\u7f29\u6570\u636e\u5e93\uff0c\u4e00\u822c\u91cc\u9762\u7684\u9ed8\u8ba4\u8bbe\u7f6e\u4e0d\u7528\u8c03\u6574\uff0c\u76f4\u63a5\u70b9\u786e\u5b9a\uff08\u9009\u62e9\u65e5\u5fd7\u6587\u4ef6\uff0c\u6536\u7f29\u4e3a0MB)<br \/>\n3\u3001\u6536\u7f29\u6570\u636e\u5e93\u5b8c\u6210\u540e\uff0c\u5efa\u8bae\u5c06\u60a8\u7684\u6570\u636e\u5e93\u5c5e\u6027\u91cd\u65b0\u8bbe\u7f6e\u4e3a\u6807\u51c6\u6a21\u5f0f\uff0c\u64cd\u4f5c\u65b9\u6cd5\u540c\u7b2c\u4e00\u70b9\uff0c\u56e0\u4e3a\u65e5\u5fd7\u5728\u4e00\u4e9b\u5f02\u5e38\u60c5\u51b5\u4e0b\u5f80\u5f80\u662f\u6062\u590d\u6570\u636e\u5e93\u7684\u91cd\u8981\u4f9d\u636e<br \/>\n\u65b9\u6cd5\u4e8c\uff1a<br \/>\n1\u3001\u6253\u5f00\u67e5\u8be2\u5206\u6790\u5668\uff0c\u8f93\u5165\u547d\u4ee4<br \/>\nBACKUP LOG database_name WITH NO_LOG<br \/>\n2\u3001\u518d\u6253\u5f00\u4f01\u4e1a\u7ba1\u7406\u5668&#8211;\u53f3\u952e\u8981\u538b\u7f29\u7684\u6570\u636e\u5e93&#8211;\u6240\u6709\u4efb\u52a1&#8211;\u6536\u7f29\u6570\u636e\u5e93&#8211;\u6536\u7f29\u6587\u4ef6&#8211;\u9009\u62e9\u65e5\u5fd7\u6587\u4ef6&#8211;\u5728\u6536\u7f29\u65b9\u5f0f\u91cc\u9009\u62e9\u6536\u7f29\u81f3xxm,\u8fd9\u91cc\u4f1a\u7ed9\u51fa\u4e00\u4e2a\u5141\u8bb8\u6536\u7f29\u5230\u7684\u6700\u5c0fm\u6570,\u76f4\u63a5\u8f93\u5165\u8fd9\u4e2a\u6570,\u786e\u5b9a\u5c31\u53ef\u4ee5\u4e86\u3002<br \/>\n\u65b9\u6cd5\u4e09\uff1a\u901a\u8fc7SQL\u6536\u7f29\u65e5\u5fd7<br \/>\n\u628a\u4ee3\u7801\u590d\u5236\u5230\u67e5\u8be2\u5206\u6790\u5668\u91cc\uff0c\u7136\u540e\u4fee\u6539\u5176\u4e2d\u76843\u4e2a\u53c2\u6570(\u6570\u636e\u5e93\u540d\uff0c\u65e5\u5fd7\u6587\u4ef6\u540d\uff0c\u548c\u76ee\u6807\u65e5\u5fd7\u6587\u4ef6\u7684\u5927\u5c0f)\uff0c\u8fd0\u884c\u5373\u53ef<br \/>\nSET NOCOUNT ON<br \/>\nDECLARE @LogicalFileName sysname,<br \/>\n@MaxMinutes INT,<br \/>\n@NewSize INT<br \/>\nUSE tablename &#8212; \u8981\u64cd\u4f5c\u7684\u6570\u636e\u5e93\u540d<br \/>\nSELECT @LogicalFileName = &#8216;tablename_log&#8217;, &#8212; \u65e5\u5fd7\u6587\u4ef6\u540d<br \/>\n@MaxMinutes = 10, &#8212; Limit on time allowed to wrap log.<br \/>\n@NewSize = 1 &#8212; \u4f60\u60f3\u8bbe\u5b9a\u7684\u65e5\u5fd7\u6587\u4ef6\u7684\u5927\u5c0f(M)<br \/>\n&#8212; Setup \/ initialize<br \/>\nDECLARE @OriginalSize int<br \/>\nSELECT @OriginalSize = size<br \/>\nFROM sysfiles<br \/>\nWHERE name = @LogicalFileName<br \/>\nSELECT &#8216;Original Size of &#8216; + db_name() + &#8216; LOG is &#8216; +<br \/>\nCONVERT(VARCHAR(30),@OriginalSize) + &#8216; 8K pages or &#8216; +<br \/>\nCONVERT(VARCHAR(30),(@OriginalSize*8\/1024)) + &#8216;MB&#8217;<br \/>\nFROM sysfiles<br \/>\nWHERE name = @LogicalFileName<br \/>\nCREATE TABLE DummyTrans<br \/>\n(DummyColumn char (8000) not null)<br \/>\nDECLARE @Counter INT,<br \/>\n@StartTime DATETIME,<br \/>\n@TruncLog VARCHAR(255)<br \/>\nSELECT @StartTime = GETDATE(),<br \/>\n@TruncLog = &#8216;BACKUP LOG &#8216; + db_name() + &#8216; WITH TRUNCATE_ONLY&#8217;<br \/>\nDBCC SHRINKFILE (@LogicalFileName, @NewSize)<br \/>\nEXEC (@TruncLog)<br \/>\n&#8212; Wrap the log if necessary.<br \/>\nWHILE @MaxMinutes > DATEDIFF (mi, @StartTime, GETDATE()) &#8212; time has not expired<br \/>\nAND @OriginalSize = (SELECT size FROM sysfiles WHERE name = @LogicalFileName)<br \/>\nAND (@OriginalSize * 8 \/1024) > @NewSize<br \/>\nBEGIN &#8212; Outer loop.<br \/>\nSELECT @Counter = 0<br \/>\nWHILE ((@Counter < @OriginalSize \/ 16) AND (@Counter < 50000))\nBEGIN -- update\nINSERT DummyTrans VALUES ('Fill Log')\nDELETE DummyTrans\nSELECT @Counter = @Counter + 1\nEND\nEXEC (@TruncLog)\nEND\nSELECT 'Final Size of ' + db_name() + ' LOG is ' +\nCONVERT(VARCHAR(30),size) + ' 8K pages or ' +\nCONVERT(VARCHAR(30),(size*8\/1024)) + 'MB'\nFROM sysfiles\nWHERE name = @LogicalFileName\nDROP TABLE DummyTrans\nSET NOCOUNT OFF\n\u65b9\u6cd5\u56db\uff1a\u5220\u9664\u65e5\u5fd7\u6587\u4ef6\u3002\n\u6b64\u65b9\u6cd5\u6709\u4e00\u5b9a\u7684\u98ce\u9669\u6027\uff0c\u56e0\u4e3asql server\u7684\u65e5\u5fd7\u6587\u4ef6\u4e0d\u662f\u5373\u65f6\u5199\u5165\u6570\u636e\u5e93\u4e3b\u6587\u4ef6\u7684\uff0c\u5982\u5904\u7406\u4e0d\u5f53\uff0c\u4f1a\u9020\u6210\u6570\u636e\u7684\u635f\u5931\u30021\u3001\u64cd\u4f5c\u524d\u8bf7\u65ad\u5f00\u6240\u6709\u6570\u636e\u5e93\u8fde\u63a5\u3002\n2\u3001\u5206\u79bb\u6570\u636e\u5e93\n\u5206\u79bb\u6570\u636e\u5e93\uff1a\u4f01\u4e1a\u7ba1\u7406\u5668\uff0d\uff1e\u670d\u52a1\u5668\uff0d\uff1e\u6570\u636e\u5e93\uff0d\uff1ecwbase1\uff0d\uff1e\u53f3\u952e\uff0d\uff1e\u5206\u79bb\u6570\u636e\u5e93\n\u5206\u79bb\u540e\uff0ccwbase1\u6570\u636e\u5e93\u88ab\u5220\u9664\uff0c\u4f46\u4fdd\u7559\u4e86\u6570\u636e\u6587\u4ef6\u548c\u65e5\u5fd7\u6587\u4ef6\n3\u3001\u5220\u9664log\u7269\u7406\u6587\u4ef6\n\u5220\u9664LOG\u7269\u7406\u6587\u4ef6\uff0c\u7136\u540e\u9644\u52a0\u6570\u636e\u5e93\uff1a \u4f01\u4e1a\u7ba1\u7406\u5668\uff0d\uff1e\u670d\u52a1\u5668\uff0d\uff1e\u6570\u636e\u5e93\uff0d\uff1e\u53f3\u952e\uff0d\uff1e\u9644\u52a0\u6570\u636e\u5e93\n\u6b64\u6cd5\u751f\u6210\u65b0\u7684log\uff0c\u5927\u5c0f\u53ea\u6709500\u591ak\u3002\n\u6ce8\u610f\uff1a\u5efa\u8bae\u4f7f\u7528\u7b2c\u4e00\u79cd\u65b9\u6cd5\u3002\u64cd\u4f5c\u524d\u8bf7\u786e\u4fdd\u6240\u6709\u64cd\u4f5c\u5458\u90fd\u5df2\u7ecf\u63a8\u51fa\u7cfb\u7edf\uff0c\u65ad\u5f00\u6570\u636e\u5e93\u7684\u8fde\u63a5\u3002\n\u4ee5\u4e0a\u64cd\u4f5c\u524d\uff0c\u8bf7\u52a1\u5fc5\u505a\u597d\u6570\u636e\u5907\u4efd\uff01\n1.sql server 2005 \u6e05\u9664\u65e5\u5fd7\u8bed\u53e5\ndump transaction \u6570\u636e\u5e93\u540d\u79f0 with no_log\nbackup log \u6570\u636e\u5e93\u540d\u79f0 with no_log\ndbcc shrinkdatabase(\u6570\u636e\u5e93\u540d\u79f0)\n\n<\/p>\n","protected":false},"excerpt":{"rendered":"<p>SQLSERVER\u7684\u6570bai\u636e\u5e93\u65e5\u5fd7\u5360\u7528\u5f88\u5927\u7684\u7a7a\u95f4\uff0c\u4e0b\u9762\u63d0\u4f9b\u4e09\u79cd\u65b9\u6cd5\u7528\u4e8e\u6e05\u9664\u65e0\u7528\u7684\u6570\u636e\u5e93\u65e5\u5fd7\u6587\u4ef6 \u65b9\u6cd5\u4e00\uff1a \u8bbe [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[28],"tags":[],"_links":{"self":[{"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=\/wp\/v2\/posts\/1441"}],"collection":[{"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1441"}],"version-history":[{"count":1,"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=\/wp\/v2\/posts\/1441\/revisions"}],"predecessor-version":[{"id":1442,"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=\/wp\/v2\/posts\/1441\/revisions\/1442"}],"wp:attachment":[{"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1441"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1441"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1441"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}