Oracle PL/SQL Tutorial/Collections/POWERMULTISET BY CARDINALITY

POWERMULTISET_BY_CARDINALITY Operator

You use the POWERMULTISET_BY_CARDINALITY operator to get a sub-nested table from an input nested table with a specified length (cardinality).

   <source lang="sql">

SQL> SQL> CREATE Or Replace TYPE nestedTableType IS TABLE OF VARCHAR2(10)

 2  /

SQL> SQL> SELECT *

 2  FROM TABLE(POWERMULTISET_BY_CARDINALITY(nestedTableType("This", "is", "a", "test"), 3));

COLUMN_VALUE

---

nestedTableType("This", "is", "a") nestedTableType("This", "is", "test") nestedTableType("This", "a", "test") nestedTableType("is", "a", "test") SQL> SQL> drop type nestedTableType

 2  /

drop type nestedTableType SQL> SQL>You cannot use POWERMULTISET_BY_CARDINALITY in PL/SQL.</source>