Assign the first character index to a variable.

    
SQL>
SQL> DECLARE
  2    current VARCHAR2(9 CHAR);
  3    element INTEGER;
  4
  5    TYPE months_varray IS VARRAY(12) OF STRING(9 CHAR);
  6    TYPE calendar_table IS TABLE OF VARCHAR2(9 CHAR) INDEX BY VARCHAR2(9 CHAR);
  7
  8    month MONTHS_VARRAY := months_varray('January','February','March','April','May','June','July','August','September','October','November','December');
  9
 10    calendar CALENDAR_TABLE;
 11  BEGIN
 12    IF calendar.COUNT = 0 THEN
 13      FOR i IN month.FIRST..month.LAST LOOP
 14        calendar(month(i)) := TO_CHAR(i);
 15        DBMS_OUTPUT.PUT_LINE('Index ['||month(i)||'] is ['||i||']');
 16      END LOOP;
 17
 18
 19    END IF;
 20  END;
 21  /
Index [January] is [1]
Index [February] is [2]
Index [March] is [3]
Index [April] is [4]
Index [May] is [5]
Index [June] is [6]
Index [July] is [7]
Index [August] is [8]
Index [September] is [9]
Index [October] is [10]
Index [November] is [11]
Index [December] is [12]

PL/SQL procedure successfully completed.

Related examples in the same category

1.	Varchar table indexed by BINARY_INTEGER
2.	VARRAYs, nested tables, index-by tables
3.	Define 'table of varchar2' as data type and insert data
4.	Table of varchar2 element count
5.	Delete element in table of varchar2
6.	Table of varchar2 delete all
7.	Insert elements into table of varchar2
8.	Clear the table of varchar2
9.	A NULL table, and a table with a NULL element.
10.	Assign value to table records
11.	Reference count property of table record
12.	Call delete method with number on table record
13.	Call delete method on table record
14.	Assign value to table record after delete method call
15.	Assing an empty table record to non-empty table record
16.	first last next
17.	dbms_sql.varchar2_table type
18.	Assign to three elements of the table. Note that the key values are not sequential
19.	behavior of NULL nested tables.
20.	Declare a nested table with null values.
21.	index by binary integer or by varchar2
22.	Assign value to varchar2 collection by index
23.	Assign values to subscripted members of the nested table.
24.	Assign the character index to a variable.
25.	Allocate space as you increment the index.
26.	You cannot traverse an associative array until elements are initialized.
27.	Dynamic initialization and assignment in the execution section.

Assign the first character index to a variable. : Table of Varchar2 « PL SQL « Oracle PL / SQL

Related examples in the same category