Associative arrays : Table of Number « Collections « Oracle PL/SQL Tutorial

Oracle PL/SQL Tutorial
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Oracle PL/SQL Tutorial » Collections » Table of Number 
26. 23. 18. Associative arrays
SQL> DECLARE
  2    TYPE site_array IS TABLE OF NUMBER INDEX BY VARCHAR2(20);
  3    v_example_array site_array;
  4  BEGIN
  5    v_example_array('E'):=10;
  6    v_example_array('B'):=11;
  7    v_example_array('S'):=12;
  8    dbms_output.put_line(v_example_array.FIRST);
  9    dbms_output.put_line(v_example_array.LAST);
 10    dbms_output.put_line(TO_CHAR(v_example_array(v_example_array.FIRST)));
 11  END;
 12  /
B
S
11

PL/SQL procedure successfully completed.

SQL>
SQL>
26. 23. Table of Number
26. 23. 1. An example of declaring an Index-by table
26. 23. 2. Initializing a Nested Table
26. 23. 3. NULL and Empty Nested Tables and NULL elements
26. 23. 4. Is a table collection a null value
26. 23. 5. ORA-06531: Reference to uninitialized collection
26. 23. 6. Initialize table collection with null value
26. 23. 7. Accessing an Index-by table
26. 23. 8. Accessing an entire Index-by table
26. 23. 9. Accessing an undefined row of an Index-by table
26. 23. 10. Assigning rows of an Index-By table by means of a LOOP
26. 23. 11. Deleting an Index-by table using an empty Index-by table
26. 23. 12. Using the EXISTS method
26. 23. 13. An example of COUNT method
26. 23. 14. An example of the DELETE method
26. 23. 15. An example of the FIRST, LAST and NEXT methods
26. 23. 16. number_list.EXTEND(2): Add two null value members at the end of the list.
26. 23. 17. number_list.EXTEND(3,4): Add three members at the end of the list and copy the contents of item 4
26. 23. 18. Associative arrays
26. 23. 19. Accessing Nested Table elements
26. 23. 20. ORA-06533: Subscript beyond count
26. 23. 21. compare two tables of integers
26. 23. 22. Loop through table of number by index
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