كل كلمات امتحان الـ IELTS اللى هتحتاجها
12 years ago
This Blog particularized for Oracle Developers ... you will see interesting Codes for SQL , PL/SQL as well as new ideas for Developer Suite and Client Tools that will help you in your professional life ... and I hope I reach for your satisfaction.
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DECLARE
counter INTEGER;
BEGIN
-- COUNTER is initially NULL, so 'COUNTER + 1' is also null.
counter := counter + 1;
IF counter IS NULL THEN
dbms_output.Put_line('COUNTER is NULL not 1.');
END IF;
END;
/
Initialization of Variables and Constants
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