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Multiple Block handling in PL/SQL

This example will demonstrate the performance of different blocks. The golden rule is followed - first inner, then outer

<> — Block Name
DECLARE
X NUMBER;
BEGIN
X:=1;
WHILE X<5
LOOP
DBMS_OUTPUT.PUT_LINE (X);
<> –Block Name
DECLARE
X NUMBER;
BEGIN
X:=1;
WHILE X<3
LOOP
DBMS_OUTPUT.PUT_LINE(X||’ ‘||OUTER.X);
X:=X+1;
END LOOP;
END;
X:=X+1;
END LOOP;
END;

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