Oracle 12c enhancements to collections
Oracle Database 12c allows a join between a table and a collection type. If an SQL collection type is used as a return type of a function, the table and the function output can be joined using CROSS
APPLY
and OUTER
APPLY
. The function must use a value from the joining table as a parameter and return a collection variable of a nested table or varray type.
For the purpose of illustration, let us create the test tables using dictionary views from the Oracle Database. The table T_TBS_OBJ
contains the tablespace information and T_SEGMENTS
contains the segments created on these tablespaces:
/*Create table T_TBS_OBJ*/ CREATE TABLE t_tbs_obj AS SELECT tablespace_name, status, allocation_type FROM user_tablespaces / ...
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