Nested loops: Loop inside of a Loop : Loop « PL SQL Statements « Oracle PL/SQL Tutorial

SQL>
SQL> declare
  2      v_ind     NUMBER;
  3      v_current NUMBER;
  4  begin
  5      v_current:=0; -- should not be null!
  6      loop
  7          v_ind:=0; -- reset each time
  8          loop
  9              v_ind:=v_ind+1;
 10              DBMS_OUTPUT.put_line(v_current);
 11              exit when v_ind=4;
 12          end loop;
 13          v_current:=v_current+5;
 14          exit when v_current=25;
 15      end loop;
 16  end;
 17  /
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PL/SQL procedure successfully completed.

SQL>
SQL>

22.3.Loop
	22.3.1.	Loops
	22.3.2.	Simple Loops
	22.3.3.	LOOP END LOOP
	22.3.4.	Count up by hundreds until we get an error
	22.3.5.	The EXIT WHEN statement can appear anywhere in the loop code.
	22.3.6.	Exit a LOOP
	22.3.7.	EXIT a LOOP for a certain condition
	22.3.8.	Nested loops: Loop inside of a Loop
	22.3.9.	Exiting from Nested Loops
	22.3.10.	Using Labels and EXIT Statements with Loops
	22.3.11.	Creating a REPEAT...UNTIL Loop
	22.3.12.	Use LOOP to insert data to a table
	22.3.13.	Fetch Cursor data in LOOP
	22.3.14.	A SQL Replacement for Regular Loops
	22.3.15.	Named loop block