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use DSCSYS
go
DECLARE 
	 @TableName nvarchar(100) = 'COPTD'        
	,@DataBase nvarchar(100) = 'TOPLED2015'	
	,@SQL nvarchar(4000)	
	,@Where nvarchar(4000) = ' where '
set @SQL = 'select MD001,MD003,MD004,MD005,MD006,MD007 from DSCSYS..ADMMD where MD001 = '+ '''' + 
			@TableName +  ''' and substring(MD003,1,2)  =  substring(''' + @TableName + ''',4,2)'
exec(@SQL)

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set @SQL =  
	STUFF((SELECT ','+ rtrim(MD003) + ' as ''' +  rtrim(MD004) + ''''
			FROM ADMMD 
			where MD001 = @TableName and substring(MD003,1,2) = substring(@TableName,4,2)
			FOR xml path('')),1,1,'')  
set @SQL =replace('select * from ','*',@SQL) + @DataBase + '..' + @TableName	
exec(@SQL)		
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select MD001,MD003,MD004,MD005,MD006,MD007,* from DSCSYS..ADMMD 
where MD001 = 'PURTC' and MD003 = 'UDF12'
update DSCSYS..ADMMD  set UDF01 = '质保年限'
where MD001 = 'PURTC' and MD003 = 'UDF12'