Archive for the ‘pl/sql table functions’ tag
Pipelined Functions & PL/SQL Tables
Pipelined functions let you retrieve record structures from PL/SQL Tables as rows in SQL statements. PL/SQL tables are also known as associative arrays from 10g forward. While pipelined functions are slower than other approaches, they are easy to implement. The alternative uses a complex query. The query is complex because it typically uses selective aggregation and nested CASE logic.
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