FOR Loop Ranges with variable : For Loop « PL SQL « Oracle PL / SQL






  1. Oracle PL / SQL
  2. PL SQL
  3. For Loop

FOR Loop Ranges with variable

    

SQL>
SQL> CREATE TABLE MyTable (
  2    num_col    NUMBER,
  3    char_col   VARCHAR2(60)
  4    );

Table created.

SQL>
SQL>
SQL> DECLARE
  2    v_LowValue  NUMBER := 10;
  3    v_HighValue NUMBER := 40;
  4  BEGIN
  5    FOR v_Counter IN REVERSE v_LowValue .. v_HighValue LOOP
  6      INSERT INTO MyTable
  7        VALUES (v_Counter, 'Dynamically specified loop ranges');
  8    END LOOP;
  9  END;
 10  /

PL/SQL procedure successfully completed.

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

   NUM_COL CHAR_COL
---------- ------------------------------------------------------------
        40 Dynamically specified loop ranges
        39 Dynamically specified loop ranges
        38 Dynamically specified loop ranges
        37 Dynamically specified loop ranges
        36 Dynamically specified loop ranges
        35 Dynamically specified loop ranges
        34 Dynamically specified loop ranges
        33 Dynamically specified loop ranges
        32 Dynamically specified loop ranges
        31 Dynamically specified loop ranges
        30 Dynamically specified loop ranges

   NUM_COL CHAR_COL
---------- ------------------------------------------------------------
        29 Dynamically specified loop ranges
        28 Dynamically specified loop ranges
        27 Dynamically specified loop ranges
        26 Dynamically specified loop ranges
        25 Dynamically specified loop ranges
        24 Dynamically specified loop ranges
        23 Dynamically specified loop ranges
        22 Dynamically specified loop ranges
        21 Dynamically specified loop ranges
        20 Dynamically specified loop ranges
        19 Dynamically specified loop ranges

   NUM_COL CHAR_COL
---------- ------------------------------------------------------------
        18 Dynamically specified loop ranges
        17 Dynamically specified loop ranges
        16 Dynamically specified loop ranges
        15 Dynamically specified loop ranges
        14 Dynamically specified loop ranges
        13 Dynamically specified loop ranges
        12 Dynamically specified loop ranges
        11 Dynamically specified loop ranges
        10 Dynamically specified loop ranges

31 rows selected.

SQL>
SQL> drop table MyTable;

Table dropped.








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