Multilevel Collections : Varray of Number « Collections « Oracle PL/SQL Tutorial






SQL>
SQL> CREATE OR REPLACE TYPE varray_one IS VARRAY(10)OF NUMBER;
  2  /

Type created.

SQL> CREATE OR REPLACE TYPE varray_one_nested IS VARRAY(10)OF varray_one;
  2  /

Type created.

SQL> CREATE OR REPLACE TYPE varray_two_nested IS VARRAY(10)OF varray_one_nested;
  2  /

Type created.

SQL>
SQL> DECLARE
  2    v1 varray_one;
  3    v2 varray_one_nested;
  4    v3 varray_two_nested;
  5  BEGIN
  6    v1 :=varray_one(1,2,3);
  7
  8    v2 :=varray_one_nested(varray_one(11,12,13),varray_one(21,22,23));
  9
 10    v3 :=varray_two_nested(
 11      varray_one_nested(varray_one(111,112,113),varray_one(121,122,123)),
 12      varray_one_nested(varray_one(211,212,213),varray_one(221,222,223)));
 13
 14    for i in 1..v1.count loop
 15
 16      dbms_output.put_line(v1(i));
 17
 18    end loop;
 19
 20    for i in 1..v2.count loop
 21
 22      for j in 1..v2(i).count loop
 23
 24        dbms_output.put_line(v2(i)(j));
 25
 26      end loop;
 27
 28    end loop;
 29
 30    for i in 1..v3.count loop
 31
 32      for j in 1..v3(i).count loop
 33
 34        for k in 1..v3(i)(j).count loop
 35
 36          dbms_output.put_line(v3(i)(j)(k));
 37
 38        end loop;
 39
 40      end loop;
 41
 42    end loop;
 43
 44  END;
 45  /
1
2
3
11
12
13
21
22
23
111
112
113
121
122
123
211
212
213
221
222
223

PL/SQL procedure successfully completed.

SQL>
SQL>
SQL> drop type varray_one force;

Type dropped.

SQL>
SQL> drop type varray_one_nested force;

Type dropped.

SQL>
SQL> drop type varray_two_nested force;

Type dropped.

SQL>
SQL>








26.6.Varray of Number
26.6.1.Defining a VARRAY
26.6.2.Initializing a VARRAY
26.6.3.NULL VARRAYS and NULL Elements
26.6.4.Is a varray null value
26.6.5.Pass NULL value to varray
26.6.6.Accessing VARRAY elements
26.6.7.Multilevel Collections