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What is the difference between local variables and global variables?
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what is the need of the cursor attribute notfound..(because using found attribute we can complete the task......found + negation operator = not found )
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declare lowerl number:= 1; upperl number:= 3; num varchar2(10); begin for i into lowerl..upperl loop num:=num||to_char(lowerl); if i=3 then upperl:=5; end loop; message(num); What will be the output ?
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When you have to use a default "rollback to" savepoint of plvlog?
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