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variables and table variables inside a cursor loop
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declare @id int DECLARE i CURSOR FAST_FORWARD LOCAL FOR select Id from Pilots OPEN i FETCH NEXT FROM i INTO @id WHILE (@@fetch_status = 0) BEGIN --every time I do this I make this same mistake declare @table_variable table ( id int ) insert into @table_variable(ID) select @id --with new iteration table content is not erased (same with scalar variables) !!!! --delete from @table_variable --do this select count(*) from @table_variable FETCH NEXT FROM i INTO @id END CLOSE i DEALLOCATE i
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Execution time: 0.02 sec, rows selected: 4, rows affected: 4, absolute service time: 0.2 sec
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