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DECLARE @strPath NVARCHAR(200)
DECLARE @strNow NVARCHAR(200)
DECLARE @databaseName  NVARCHAR(200)
DECLARE @filePath  NVARCHAR(200)
set @strNow = convert(NVARCHAR(19),getdate(),120)
set @strNow = REPLACE(@strNow, ':' , '.')
set @strPath = 'D:\LMS2.0\LMS2.0\bak\'
set @databaseName = 'LMS2.0BD'
set @filePath = @strPath+@databaseName+@strNow+'.bak'
BACKUP DATABASE @databaseName  TO DISK = @filePath
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