{"id":1331,"date":"2015-06-24T10:39:37","date_gmt":"2015-06-24T02:39:37","guid":{"rendered":"http:\/\/nick.txtcc.com\/?p=1331"},"modified":"2015-06-24T10:39:37","modified_gmt":"2015-06-24T02:39:37","slug":"mssql-2005-%e6%9f%a5%e7%9c%8b%e8%a1%a8%e7%9a%84%e7%b4%a2%e5%bc%95%e7%a2%8e%e7%89%87%e7%8a%b6%e6%80%81","status":"publish","type":"post","link":"http:\/\/nick.txtcc.com\/index.php\/db\/1331","title":{"rendered":"MSSQL 2005 \u67e5\u770b\u8868\u7684\u7d22\u5f15\u788e\u7247\u72b6\u6001"},"content":{"rendered":"<p>MSSQL 2005 \u63d0\u4f9b\u4e86\u4e00\u4e2a\u52a8\u6001\u7ba1\u7406\u51fd\u6570 sys.dm_db_index_physical_stats\n\u901a\u8fc7\u8c03\u7528\u8fd9\u4e2a\u51fd\u6570\uff0c\u53ef\u4ee5\u65b9\u4fbf\u76f4\u89c2\u5730\u67e5\u770b\u5230\u6307\u5b9a\u8868\u6216\u89c6\u56fe\u7684\u6570\u636e\u548c\u7d22\u5f15\u7684\u5927\u5c0f\u548c\u788e\u7247\u4fe1\u606f\u3002\n\u4e0b\u9762\u8fd9\u6761\u8bed\u53e5\uff0c\u5c31\u53ef\u4ee5\u67e5\u770b\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u6240\u6709\u7d22\u5f15\u7684\u788e\u7247\u60c5\u51b5\nSELECT\nobject_name(a.object_id) [TableName]\n,a.index_id\n,name [IndexName]\n,avg_fragmentation_in_percent\nFROM sys.dm_db_index_physical_stats\n(\nDB_ID()\n, NULL\n, NULL, NULL, NULL\n) AS a\nJOIN sys.indexes AS b\nON a.object_id = b.object_id AND a.index_id = b.index_id;\n\u5982\u679c avg_fragmentation_in_percent \u4e00\u9879\u7684\u503c\u5728\n10.0  &#8211;  30.0  \u5efa\u8bae\u4f7f\u7528 ALTER INDEX .. REORGANIZE \u8bed\u53e5\u91cd\u65b0\u7ec4\u7ec7\u7d22\u5f15<\/p>\n<blockquote>\n<p>30.0           \u5efa\u8bae\u4f7f\u7528 ALTER INDEX .. REBUILD \u8bed\u53e5\u91cd\u5efa\u7d22\u5f15\nSQL 2005 \u5728 ALTER INDEX \u8bed\u53e5\u4e2d\u63d0\u4f9b\u4e86\u4e00\u4e2a\u91cd\u8981\u7684\u53c2\u6570 ONLINE\uff0c\u5982\u679c\u60f3\u91cd\u5efa\u7d22\u5f15\u7684\u65f6\u5019\uff0c\u4e0d\u4f1a\u5c06\u8868\u9501\u4f4f\uff0c\u9700\u8981\u5c06\u8be5\u53c2\u6570\u8bbe\u7f6e\u4e3a ON\u3002\n\u4f8b\u5982\uff1a\nALTER INDEX ALL ON [dbo].[RecordTable]\nREBUILD WITH (\nSORT_IN_TEMPDB = ON\n,STATISTICS_NORECOMPUTE = ON\n,ONLINE = ON);\nONLINE \u53c2\u6570\u8bf4\u660e\u5982\u4e0b\uff1a\nONLINE = { ON | OFF }\n\u6307\u5b9a\u5728\u7d22\u5f15\u64cd\u4f5c\u671f\u95f4\u57fa\u7840\u8868\u548c\u5173\u8054\u7684\u7d22\u5f15\u662f\u5426\u53ef\u7528\u4e8e\u67e5\u8be2\u548c\u6570\u636e\u4fee\u6539\u64cd\u4f5c\u3002\u9ed8\u8ba4\u503c\u4e3a OFF\u3002<\/p>\n<\/blockquote>\n<p>ON\n\u5728\u7d22\u5f15\u64cd\u4f5c\u671f\u95f4\u4e0d\u6301\u6709\u957f\u671f\u8868\u9501\u3002\u5728\u7d22\u5f15\u64cd\u4f5c\u7684\u4e3b\u8981\u9636\u6bb5\uff0c\u6e90\u8868\u4e0a\u53ea\u4f7f\u7528\u610f\u5411\u5171\u4eab (IS) \u9501\u3002\u8fd9\u4f7f\u5f97\u80fd\u591f\u7ee7\u7eed\u5bf9\u57fa\u7840\u8868\u548c\u7d22\u5f15\u8fdb\u884c\u67e5\u8be2\u6216\u66f4\u65b0\u3002\u64cd\u4f5c\u5f00\u59cb\u65f6\uff0c\u5c06\u5bf9\u6e90\u5bf9\u8c61\u4fdd\u6301\u6781\u77ed\u65f6\u95f4\u7684\u5171\u4eab (S) \u9501\u3002\u64cd\u4f5c\u7ed3\u675f\u65f6\uff0c\u5982\u679c\u521b\u5efa\u975e\u805a\u96c6\u7d22\u5f15\uff0c\u5c06\u5bf9\u6e90\u6301\u6709\u6781\u77ed\u65f6\u95f4\u7684 S \u9501\uff1b\u5f53\u5728\u7ebf\u521b\u5efa\u6216\u5220\u9664\u805a\u96c6\u7d22\u5f15\u65f6\uff0c\u6216\u8005\u91cd\u65b0\u751f\u6210\u805a\u96c6\u6216\u975e\u805a\u96c6\u7d22\u5f15\u65f6\uff0c\u5c06\u83b7\u53d6 SCH-M\uff08\u67b6\u6784\u4fee\u6539\uff09\u9501\u3002\u5bf9\u672c\u5730\u4e34\u65f6\u8868\u521b\u5efa\u7d22\u5f15\u65f6\uff0cONLINE \u4e0d\u80fd\u8bbe\u7f6e\u4e3a ON\u3002\nOFF\n\u5728\u7d22\u5f15\u64cd\u4f5c\u671f\u95f4\u5e94\u7528\u8868\u9501\u3002\u521b\u5efa\u3001\u91cd\u65b0\u751f\u6210\u6216\u5220\u9664\u805a\u96c6\u7d22\u5f15\u6216\u8005\u91cd\u65b0\u751f\u6210\u6216\u5220\u9664\u975e\u805a\u96c6\u7d22\u5f15\u7684\u8131\u673a\u7d22\u5f15\u64cd\u4f5c\u5c06\u5bf9\u8868\u83b7\u53d6\u67b6\u6784\u4fee\u6539 (Sch-M) \u9501\u3002\u8fd9\u6837\u53ef\u4ee5\u9632\u6b62\u6240\u6709\u7528\u6237\u5728\u64cd\u4f5c\u671f\u95f4\u8bbf\u95ee\u57fa\u7840\u8868\u3002\u521b\u5efa\u975e\u805a\u96c6\u7d22\u5f15\u7684\u8131\u673a\u7d22\u5f15\u64cd\u4f5c\u5c06\u5bf9\u8868\u83b7\u53d6\u5171\u4eab (S) \u9501\u3002\u8fd9\u6837\u53ef\u4ee5\u9632\u6b62\u66f4\u65b0\u57fa\u7840\u8868\uff0c\u4f46\u5141\u8bb8\u8bfb\u64cd\u4f5c\uff08\u5982 SELECT \u8bed\u53e5\uff09\u3002\n\u6709\u5173\u8be6\u7ec6\u4fe1\u606f\uff0c\u8bf7\u53c2\u9605\u8054\u673a\u7d22\u5f15\u64cd\u4f5c\u7684\u5de5\u4f5c\u65b9\u5f0f\u3002\u6709\u5173\u9501\u7684\u8be6\u7ec6\u4fe1\u606f\uff0c\u8bf7\u53c2\u9605\u9501\u6a21\u5f0f\u3002<\/p>\n<p>\u7d22\u5f15\uff08\u5305\u62ec\u5168\u5c40\u4e34\u65f6\u8868\u4e2d\u7684\u7d22\u5f15\uff09\u53ef\u4ee5\u8054\u673a\u91cd\u65b0\u751f\u6210\uff0c\u4f46\u4ee5\u4e0b\u7d22\u5f15\u9664\u5916\uff1a<\/p>\n<p>\u7981\u7528\u7684\u7d22\u5f15\nXML \u7d22\u5f15\n\u672c\u5730\u4e34\u65f6\u8868\u4e2d\u7684\u7d22\u5f15\n\u5206\u533a\u7d22\u5f15\n\u805a\u96c6\u7d22\u5f15\uff08\u5982\u679c\u57fa\u7840\u8868\u5305\u542b LOB \u6570\u636e\u7c7b\u578b\uff09\u3002\n\u4f7f\u7528 LOB \u6570\u636e\u7c7b\u578b\u5217\u5b9a\u4e49\u7684\u975e\u805a\u96c6\u7d22\u5f15\n\u5982\u679c\u8868\u5305\u542b LOB \u6570\u636e\u7c7b\u578b\uff0c\u4f46\u8fd9\u4e9b\u5217\u4e2d\u6ca1\u6709\u4efb\u4f55\u5217\u5728\u7d22\u5f15\u5b9a\u4e49\u4e2d\u7528\u4f5c\u952e\u5217\u6216\u975e\u952e\u5217\uff0c\u5219\u53ef\u4ee5\u8054\u673a\u91cd\u65b0\u751f\u6210\u975e\u805a\u96c6\u7d22\u5f15\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>MSSQL 2005 \u63d0\u4f9b\u4e86\u4e00\u4e2a\u52a8\u6001\u7ba1\u7406\u51fd\u6570 sys.dm_db_index_physical_stats \u901a\u8fc7\u8c03\u7528\u8fd9\u4e2a\u51fd\u6570\uff0c\u53ef\u4ee5\u65b9\u4fbf\u76f4\u89c2\u5730\u67e5\u770b\u5230\u6307\u5b9a\u8868\u6216\u89c6\u56fe\u7684\u6570\u636e\u548c\u7d22\u5f15\u7684\u5927\u5c0f\u548c\u788e\u7247\u4fe1\u606f\u3002 \u4e0b\u9762\u8fd9\u6761\u8bed&#46;&#46;&#46;<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[420,401,419],"class_list":["post-1331","post","type-post","status-publish","format-standard","hentry","category-db","tag-index","tag-mssql","tag-419"],"_links":{"self":[{"href":"http:\/\/nick.txtcc.com\/index.php\/wp-json\/wp\/v2\/posts\/1331","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/nick.txtcc.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/nick.txtcc.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/nick.txtcc.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/nick.txtcc.com\/index.php\/wp-json\/wp\/v2\/comments?post=1331"}],"version-history":[{"count":1,"href":"http:\/\/nick.txtcc.com\/index.php\/wp-json\/wp\/v2\/posts\/1331\/revisions"}],"predecessor-version":[{"id":1332,"href":"http:\/\/nick.txtcc.com\/index.php\/wp-json\/wp\/v2\/posts\/1331\/revisions\/1332"}],"wp:attachment":[{"href":"http:\/\/nick.txtcc.com\/index.php\/wp-json\/wp\/v2\/media?parent=1331"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/nick.txtcc.com\/index.php\/wp-json\/wp\/v2\/categories?post=1331"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/nick.txtcc.com\/index.php\/wp-json\/wp\/v2\/tags?post=1331"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}