Nesting FOR loops : For Loop « PL SQL « Oracle PL / SQL

Nesting FOR loops

   

SQL>
SQL> -- Nesting FOR loops.
SQL> BEGIN
  2       FOR i IN 1..2 LOOP
  3            FOR j IN 1..4 LOOP
  4                 DBMS_OUTPUT.PUT_LINE('Outer Loop counter is ' ||
  5                      i || ' Inner Loop counter is ' || j);
  6            END LOOP;
  7       END LOOP;
  8  END;
  9  /
Outer Loop counter is 1 Inner Loop counter is 1
Outer Loop counter is 1 Inner Loop counter is 2
Outer Loop counter is 1 Inner Loop counter is 3
Outer Loop counter is 1 Inner Loop counter is 4
Outer Loop counter is 2 Inner Loop counter is 1
Outer Loop counter is 2 Inner Loop counter is 2
Outer Loop counter is 2 Inner Loop counter is 3
Outer Loop counter is 2 Inner Loop counter is 4

PL/SQL procedure successfully completed.

SQL>
SQL>

Related examples in the same category

1.	Your first FOR loop
2.	For loop: counter IN 1..5
3.	REVERSE: Reversing the loop
4.	Changing the loop increment
5.	Use variable as an upper bound of for loop
6.	Exit(break) a for loop
7.	Call EXIT to exit a for loop
8.	Call EXIT WHEN to exit a function
9.	Put DBMS_OUTPUT.PUT_LINE in for loop
10.	If... End if
11.	A numeric FOR loop with insert statement
12.	Use for counter in insert statement
13.	The scope of the index of a FOR LOOP.
14.	FOR Loop Ranges with variable
15.	FOR Loop Scoping Rules
16.	Numeric FOR Loop
17.	Loop till count(*)
18.	Use for loop as if statement
19.	Use for loop to loop through result from a select statement
20.	Define a looping indexer as member variable in a procedure
21.	Numeric loop will ignore the externally scoped variable and create a new locally scoped variable.
22.	Nested for loop
23.	Nested for loop vs table join in for loop
24.	loop index scope is limited to the FOR loop.
25.	starting_number and ending_number must be integers.
26.	For each reverse