PLSQL block to display following

01:43 0 Comments A+ a-

Write a PLSQL block to display following:

 1
2 2
3 3 3
4 4 4 4

Program:


DECLAREV VARCHAR2(20);
BEGIN
FOR I IN 1..4
LOOP
FOR J IN 1..I
LOOP
V:=V||' '||I;
END LOOP;
DBMS_OUTPUT.PUT_LINE(V);
V:=NULL;
END LOOP;
END;
/

Output:
1
2 2
3 3 3
4 4 4 4