Why do we need to use SELECT 1 from table where tb1.col1= tbl2.col2? what does it do?


why need use select 1 table tb1.col1= tbl2.col2? do?

hello,

that's wrong sql statement, because there not tbl1/tbl2 in clause, statement raise error.

olaf helper
* cogito ergo sum * errare humanum est * quote erat demonstrandum *
wenn ich denke, ist das ein fehler und das beweise ich täglich
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SQL Server  >  SQL Server Reporting Services, Power View



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