清空日志文件 清除日志,并收缩数据库。backup log 库名 with no_logdbcc shrinkdatabase('库名') 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 清空事务日志:DUMP TRANSACTION WITH NO_LOG截断事务日志:backup log 数据库名 with no_log -----SET NOCOUNT ONDECLARE @LogicalFileName sysname, @MaxMinutes INT, @NewSize INTUSE Marias -- 要操作的数据库名SELECT @LogicalFileName = 'Marias_log', -- 日志文件名@MaxMinutes = 10, -- Limit on time allowed to wrap log. @NewSize = 100 -- 你想设定的日志文件的大小(M)-- Setup / initializeDECLARE @OriginalSize intSELECT @OriginalSize = size FROM sysfiles WHERE name = @LogicalFileNameSELECT '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 = @LogicalFileNameCREATE 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 = @LogicalFileNameDROP TABLE DummyTransSET NOCOUNT OFF 有很多商品,m种,最后入库时间不一样,有什么方法能简单实现以下结果: m种产品各自最后的入库时间. 存储过程调用存储过程 在线等,大家帮个忙!!! update问题 xxx.01.01.02.02 请问如何得到“.”的个数(4)?用什么函数? sql写触发器,当A表有数据插入操作的时候,同时在远程服务器数据库上的一张表中插入信息 求一条SQL 奇怪为什么此语句在查询分析器执行计划里面显示的是index scan,而不是index seek? 关于 Cascade 循环 或者 多条 Cascade 路径的 错误! 数据导入问题 请教这个存储过程那里错了 请一个SQL语句!!!
DUMP TRANSACTION WITH NO_LOG截断事务日志:
backup log 数据库名 with no_log
SET NOCOUNT ON
DECLARE @LogicalFileName sysname,
@MaxMinutes INT,
@NewSize INT
USE Marias -- 要操作的数据库名
SELECT @LogicalFileName = 'Marias_log', -- 日志文件名
@MaxMinutes = 10, -- Limit on time allowed to wrap log.
@NewSize = 100 -- 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