SQL>
SQL> SET ECHO ON
SQL> SET SERVEROUTPUT ON SIZE 1000000
SQL>
SQL> DECLARE
2
3
4 TYPE charArrayType IS TABLE OF VARCHAR2(5 CHAR) INDEX BY BINARY_INTEGER;
5
6
7 charArray charArrayType;
8
9 BEGIN
10
11 IF charArray.COUNT <> 0 THEN
12
13 DBMS_OUTPUT.PUT_LINE(charArray(1));
14 ELSE
15
16 DBMS_OUTPUT.PUT_LINE('empty.');
17
18 END IF;
19
20 END;
21 /
empty.
PL/SQL procedure successfully completed.
SQL>
SQL>