A WHILE LOOP statement in PL/SQL programming language repeatedly executes a target statement as long as a given condition is true.
Syntax
WHILE condition LOOP
sequence_of_statements
END LOOP;
Example
DECLARE
a number(2) := 10;
BEGIN
WHILE a < 20 LOOP
dbms_output.put_line('value of a: ' || a);
a := a + 1;
END LOOP;
END;
/
When the above code is executed at the SQL prompt, it produces the following result −
value of a: 10
value of a: 11
value of a: 12
value of a: 13
value of a: 14
value of a: 15
value of a: 16
value of a: 17
value of a: 18
value of a: 19
PL/SQL procedure successfully completed.
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