Try using my $hr_data = $dbh->selectall_hashref('SELECT DISTINCT EMP_NAME FROM EMPLOYEE', [ 'EMP_NAME' ]);
This fetches all data in one go.
You can then use say "ABC exists" if exists $hr_data->{ABC}; to check if an element is there.

In reply to Re^3: How to store the data fetched from the database in perl by Neighbour
in thread How to store the data fetched from the database in perl by rajsai28

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