sql compare varchar

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How to quickly compare two tables in SQL Server

@t1_newcount=COUNT (*)FromT1_new;SELECT@count=COUNT (*)From[T1_old]AsAINNERJOIN[T1_new]As BOn[B].[Id]=[A].[Id]and[B].[Log_time]=[A].[Log_time]-- If there are other fields in the table that you add yourself print print @t1_newcount if ( @count = @t1_newcount ) begin ' equal "end else begin select Span style= "color: #ff0000;" > ' Method five: With SQL Server's own Tablediff tool, Microsoft made this tool to comp

The throw statement in SQL Server2012 tries to compare RAISERROR and throw

Label:SQL SERVER2012 implements a throw statement that resembles C # throws an exception. It is a small improvement to use the @ @ERROR before SQL Server2005, and to throw an exception after SQL Server2005 using RAISERROR ().1.SQL server2005/2008, use RAISERROR and try ... Catch statement to throw an exception compared to the @ @ERROR to judge that has progressed

SQL, LINQ, and lambda query statements compare INNER JOIN and group by combination usage and anonymous type processing

Label:Using EF's own small functions need to encounter inner join and group by combination of use and anonymous type of processing, search a lot, basically can not meet their own needs, so summed up also realized on their own write out, has been prepared to view and partner query Reference (General statement query does not say, the network search a lot) Statement query background (or not directly look at the statement is also very tough): the main want to achieve similar features of QQ album dis

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