Table of numbers: count, last, first : Table Collection Attributes « Collections « Oracle PL/SQL Tutorial

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Oracle PL/SQL Tutorial » Collections » Table Collection Attributes 
26. 22. 3. Table of numbers: count, last, first
SQL>
SQL>
SQL> CREATE OR REPLACE PROCEDURE random
  2  p_array_size in number)
  3   AS
  4
  5    TYPE t_values_array IS TABLE OF NUMBER
  6    INDEX BY BINARY_INTEGER;
  7
  8    random_value_array t_values_array;
  9
 10  BEGIN
 11      FOR x IN 1..p_array_size LOOP
 12        random_value_array(x:= dbms_random.random();
 13      END LOOP;
 14
 15      DBMS_OUTPUT.PUT_LINE ('Total rows stored: ' || random_value_array.count);
 16
 17      DBMS_OUTPUT.PUT_LINE ('First row stored: ' || random_value_array(random_value_array.FIRST)   );
 18      DBMS_OUTPUT.PUT_LINE ('Last row stored: ' || random_value_array(random_value_array.LAST) );
 19
 20  END;
 21  /

Procedure created.

SQL>
SQL> show errors
No errors.
SQL>
SQL> execute random(500);

PL/SQL procedure successfully completed.

SQL>
SQL>
SQL>
SQL>
26. 22. Table Collection Attributes
26. 22. 1. Reference elements in table collection of varchar2 by index
26. 22. 2. Collection methods: First, Last, Next
26. 22. 3. Table of numbers: count, last, first
26. 22. 4. Extend Table collection
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