'+ @strWhere 2、收缩数据库 --重建索引 DBCC REINDEX DBCC INDEXDEFRAG --收缩数据和日志 DBCC SHRINKDB DBCC SHRINKFILE 3、压缩数据库
dbcc shrinkdatabase(dbname)
4、转移数据库给新用户以已存在用户权限
exec sp_change_users_login 'update_one','newname','oldname' go
5、检查备份集
RESTORE VERIFYONLY from disk='E:\\dvbbs.bak' 6、修复数据库
ALTER DATABASE [dvbbs] SET SINGLE_USER GO
DBCC CHECKDB('dvbbs',repair_allow_data_loss) WITH TABLOCK GO
ALTER DATABASE [dvbbs] SET MULTI_USER GO
7、日志清除 SET NOCOUNT ON
DECLARE @LogicalFileName sysname,
@MaxMinutes INT, @NewSize INT
USE tablename -- 要操作的数据库名
SELECT @LogicalFileName = 'tablename_log', -- 日志文件名 @MaxMinutes = 10, -- Limit on time allowed to wrap log. @NewSize = 1 -- 你想设定的日志文件的大小(M) Setup / initialize DECLARE @OriginalSize int SELECT @OriginalSize = size FROM sysfiles
WHERE name = @LogicalFileName
SELECT 'Original Size of ' + db_name() + ' LOG is ' + CONVERT(VARCHAR(30),@OriginalSize) + ' 8K pages or ' + CONVERT(VARCHAR(30),(@OriginalSize*8/1024)) + 'MB' FROM sysfiles
WHERE name = @LogicalFileName CREATE TABLE DummyTrans
(DummyColumn char (8000) not null)
DECLARE @Counter INT, @StartTime DATETIME, @TruncLog VARCHAR(255)
SELECT @StartTime = GETDATE(),
@TruncLog = 'BACKUP LOG ' + db_name() + ' WITH TRUNCATE_ONLY' DBCC SHRINKFILE (@LogicalFileName, @NewSize) EXEC (@TruncLog)
-- Wrap the log if necessary.
WHILE @MaxMinutes > DATEDIFF (mi, @StartTime, GETDATE()) -- time has not expired
AND @OriginalSize = (SELECT size FROM sysfiles WHERE name = @LogicalFileName)
AND (@OriginalSize * 8 /1024) > @NewSize BEGIN -- Outer loop. SELECT @Counter = 0
WHILE ((@Counter < @OriginalSize / 16) AND (@Counter < 50000)) BEGIN -- update
INSERT DummyTrans VALUES ('Fill Log') DELETE DummyTrans SELECT @Counter = @Counter + 1 END
EXEC (@TruncLog) END
SELECT 'Final Size of ' + db_name() + ' LOG is ' + CONVERT(VARCHAR(30),size) + ' 8K pages or ' + CONVERT(VARCHAR(30),(size*8/1024)) + 'MB' FROM sysfiles
WHERE name = @LogicalFileName
DROP TABLE DummyTrans SET NOCOUNT OFF 8、说明：更改某个表
exec sp_changeobjectowner 'tablename','dbo' 9、存储更改全部表
CREATE PROCEDURE dbo.User_ChangeObjectOwnerBatch @OldOwner as NVARCHAR(128), @NewOwner as NVARCHAR(128) AS
DECLARE @Name as NVARCHAR(128) DECLARE @Owner as NVARCHAR(128) DECLARE @OwnerName as NVARCHAR(128) DECLARE curObject CURSOR FOR select 'Name' = name, 'Owner' = user_name(uid) from sysobjects
where user_name(uid)=@OldOwner order by name OPEN curObject
FETCH NEXT FROM curObject INTO @Name, @Owner WHILE(@@FETCH_STATUS=0) BEGIN
if @Owner=@OldOwner begin
