在 SQL Server 中，当通过数据库备份和还原，导入和导出等操作时，表的压缩设置可能会丢失。因此，需要在这些操作之前先保存表的压缩设置，以便在还原或导入时重新应用这些设置。

示例代码：

-- 保存表的压缩设置 SELECT name, is_compressed INTO dbo.TableCompressionSettings FROM sys.partitions WHERE OBJECTPROPERTYEX(OBJECT_ID, 'IsUserTable') = 1

-- 恢复表的压缩设置 DECLARE @TableName NVARCHAR(MAX) DECLARE @CompressionSetting BIT

DECLARE CompressionSettingsCursor CURSOR FOR SELECT name, is_compressed FROM dbo.TableCompressionSettings

OPEN CompressionSettingsCursor

FETCH NEXT FROM CompressionSettingsCursor INTO @TableName, @CompressionSetting

WHILE @@FETCH_STATUS = 0 BEGIN IF @CompressionSetting = 1 EXEC sp_tableoption @TableName, 'compression', 'row'; ELSE IF @CompressionSetting = 0 EXEC sp_tableoption @TableName, 'compression', 'none';

FETCH NEXT FROM CompressionSettingsCursor 
INTO @TableName, @CompressionSetting

END

CLOSE CompressionSettingsCursor DEALLOCATE CompressionSettingsCursor

-- 删除保存的表压缩设置 DROP TABLE dbo.TableCompressionSettings