Used with table functions
This operation was introduced in Oracle 8.1.5
This operation is implemented in the following versions
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This example was developed using Oracle 9.2.0.1 on Windows 2000
This example requires the following type and function definitions
CREATE OR REPLACE TYPE ty1 AS TABLE OF NUMBER; / CREATE TABLE t1 (c1 NUMBER);
The table does not need to be analysed
The statement
SELECT * FROM TABLE (CAST (MULTISET ( SELECT c1 FROM t1 WHERE ROWNUM < 10 ) AS ty1));
generates the following execution plan
0 SELECT STATEMENT Optimizer=CHOOSE 1 0 COLLECTION ITERATOR (SUBQUERY FETCH) 2 1 COUNT (STOPKEY) 3 2 TABLE ACCESS (FULL) OF 'T1'