本文提供了针对SQLServer2005和SQLServer2008的数据库收缩方法，包括清空缓存、日志备份及数据库文件收缩的具体SQL语句，适用于需要优化数据库空间的场景。
适用于SQL Server 2005
1 USE [hrdb]
2 GO
3 --清空数据库缓存
4 DBCC FREEPROCCACHE
5 DBCC DROPCLEANBUFFERS
6 GO
7 BACKUP LOG [hrdb] with NO_LOG
8 GO
9 BACKUP LOG [hrdb] with TRUNCATE_ONLY
10 GO
11 DBCC SHRINKDATABASE([hrdb])
12 GO
2 GO
3 --清空数据库缓存
4 DBCC FREEPROCCACHE
5 DBCC DROPCLEANBUFFERS
6 GO
7 BACKUP LOG [hrdb] with NO_LOG
8 GO
9 BACKUP LOG [hrdb] with TRUNCATE_ONLY
10 GO
11 DBCC SHRINKDATABASE([hrdb])
12 GO
适用于SQL Server 2008
1 USE [master]
2 GO
3 ALTER DATABASE [hrdb] SET RECOVERY SIMPLE WITH NO_WAIT
4 GO
5 ALTER DATABASE [hrdb] SET RECOVERY SIMPLE
6 GO
7 USE [hrdb]
8 GO
9 DBCC SHRINKFILE (N'HRServerdb_log' , 0,TRUNCATEONLY)
10 GO
11 USE [master]
12 GO
13 ALTER DATABASE [hrdb] SET RECOVERY FULL WITH NO_WAIT
14 GO
15 ALTER DATABASE [hrdb] SET RECOVERY FULL
16 GO
2 GO
3 ALTER DATABASE [hrdb] SET RECOVERY SIMPLE WITH NO_WAIT
4 GO
5 ALTER DATABASE [hrdb] SET RECOVERY SIMPLE
6 GO
7 USE [hrdb]
8 GO
9 DBCC SHRINKFILE (N'HRServerdb_log' , 0,TRUNCATEONLY)
10 GO
11 USE [master]
12 GO
13 ALTER DATABASE [hrdb] SET RECOVERY FULL WITH NO_WAIT
14 GO
15 ALTER DATABASE [hrdb] SET RECOVERY FULL
16 GO
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