The scope of the index of a FOR LOOP.

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

Table created.

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

PL/SQL procedure successfully completed.

SQL>
SQL> drop table MyTable;

Table dropped.

SQL>

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The scope of the index of a FOR LOOP. : For Loop « PL SQL « Oracle PL / SQL

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