Input validation in doubles at the form level
Hi I want to validate the registration if his double here I am inserting into a table and want to check if its existing in another table, and if not, I need to enter the data. I'll be back the following code, but his error in return. I already deleted the duplicate rows but still getting the same error. I need to validate the duplicate entries. If I get any refno following error display.FRM as 40735 when validate trigger raised unhandled exception Ora-01422
declare
refno number (10);
Start
Select ref_no in Emp_ref_arch refno;
If refno =: EMP. REF_NO then
message ("double entry Pls enter again");
on the other
go_item(:EMP.) Edet);
end if;
end;
Rgds
Jyothi
Published by: user11243021 on August 16, 2009 23:48
Put:
Exception
When too_many_rows then null;
Tags: Oracle Development
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