FOR Loop Scoping Rules : For Loop « PL SQL « Oracle PL / SQL

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Oracle PL / SQL » PL SQL » For Loop 
FOR Loop Scoping Rules
    
SQL>
SQL> CREATE TABLE MyTable (
  2    num_col    NUMBER,
  3    char_col   VARCHAR2(60)
  4    );

Table created.

SQL>
SQL>
SQL>
SQL> DECLARE
  2    v_Counter  NUMBER := 7;
  3  BEGIN
  4    INSERT INTO MyTable (num_col)
  5      VALUES (v_Counter);
  6
  7    FOR v_Counter IN 20..30 LOOP
  8      INSERT INTO MyTable (num_col)
  9        VALUES (v_Counter);
 10    END LOOP;
 11    INSERT INTO MyTable (num_col)
 12      VALUES (v_Counter);
 13  END;
 14  /

PL/SQL procedure successfully completed.

SQL>
SQL>
SQL>
SQL> select from MyTable;

   NUM_COL CHAR_COL
---------- ------------------------------------------------------------
         7
        20
        21
        22
        23
        24
        25
        26
        27
        28
        29

   NUM_COL CHAR_COL
---------- ------------------------------------------------------------
        30
         7

13 rows selected.

SQL>
SQL> drop table MyTable;

Table dropped.

SQL>

   
    
    
  
Related examples in the same category
1. Your first FOR loop
2. For loop: counter IN 1..5
3. Nesting FOR loops
4. REVERSE: Reversing the loop
5. Changing the loop increment
6. Use variable as an upper bound of for loop
7. Exit(break) a for loop
8. Call EXIT to exit a for loop
9. Call EXIT WHEN to exit a function
10. Put DBMS_OUTPUT.PUT_LINE in for loop
11. If... End if
12. A numeric FOR loop with insert statement
13. Use for counter in insert statement
14. The scope of the index of a FOR LOOP.
15. FOR Loop Ranges with variable
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
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