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¡¡¡¡1. DBCC CHECKDB
¡¡¡¡ÖØÆô·þÎñÆ÷ºó£¬ÔÚûÓнøÐÐÈκβÙ×÷µÄÇé¿öÏ£¬ÔÚSQL²éѯ·ÖÎöÆ÷ÖÐÖ´ÐÐÒÔÏÂSQL½øÐÐÊý¾Ý¿âµÄÐÞ¸´£¬ÐÞ¸´Êý¾Ý¿â´æÔÚµÄÒ»ÖÂÐÔ´íÎóÓë·ÖÅä´íÎó¡£
 
use master
declare @databasename varchar(255)
set @databasename='ÐèÒªÐÞ¸´µÄÊý¾Ý¿âʵÌåµÄÃû³Æ'
exec sp_dboption @databasename, N'single', N'true' --½«Ä¿±êÊý¾Ý¿âÖÃΪµ¥Óû§×´Ì¬
dbcc checkdb(@databasename,REPAIR_ALLOW_DATA_LOSS)
dbcc checkdb(@databasename,REPAIR_REBUILD)
exec sp_dboption @databasename, N'single', N'false'--½«Ä¿±êÊý¾Ý¿âÖÃΪ¶àÓû§×´Ì¬
È»ºóÖ´ÐÐ DBCC CHECKDB('ÐèÒªÐÞ¸´µÄÊý¾Ý¿âʵÌåµÄÃû³Æ') ¼ì²éÊý¾Ý¿âÊÇ·ñÈԾɴæÔÚ´íÎó¡£×¢Ò⣺ÐÞ¸´ºó¿ÉÄÜ»áÔì³É²¿·ÖÊý¾ÝµÄ¶ªÊ§¡£
2. DBCC CHECKTABLE
Èç¹ûDBCC CHECKDB ¼ì²éÈԾɴæÔÚ´íÎ󣬿ÉÒÔʹÓÃDBCC CHECKTABLEÀ´ÐÞ¸´¡£
use ÐèÒªÐÞ¸´µÄÊý¾Ý¿âʵÌåµÄÃû³Æ
declare @dbname varchar(255)
set @dbname='ÐèÒªÐÞ¸´µÄÊý¾Ý¿âʵÌåµÄÃû³Æ'
exec sp_dboption @dbname,'single user','true'
dbcc checktable('ÐèÒªÐÞ¸´µÄÊý¾Ý±íµÄÃû³Æ',REPAIR_ALLOW_DATA_LOSS)
dbcc checktable('ÐèÒªÐÞ¸´µÄÊý¾Ý±íµÄÃû³Æ',REPAIR_REBUILD)
------°Ñ’ ÐèÒªÐÞ¸´µÄÊý¾Ý±íµÄÃû³Æ’¸ü¸ÄΪִÐÐDBCC CHECKDBʱ±¨´íµÄÊý¾Ý±íµÄÃû³Æ
exec sp_dboption @dbname,'single user','false'
3. ÆäËûµÄһЩ³£ÓõÄÐÞ¸´ÃüÁî
DBCC DBREINDEX ÖØ½¨Ö¸¶¨Êý¾Ý¿âÖбíµÄÒ»¸ö»ò¶à¸öË÷Òý
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SQL SERVERÌṩÁËÊý¾Ý¿â¼ì²âµÄÃüÁ¿ÉÓÃDBCC CHECKDB¶ÔÊý¾Ý¿âÖи÷¸ö¶ÔÏóµÄ·ÖÅä¼°½á¹¹µÄÕýÈ·ÐÔ½øÐмì²â£¬²¢¿Éͨ¹ýÒ»²ÎÊý¿ØÖÆ£¬½«ËùÓеĴíÎóÐÅÏ¢ÏÔʾ³öÀ´¡£ÆäÓï·¨ÈçÏ£º
DBCC CHECKDB
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