Skip Headers
Oracle® Database SQL Reference
10g Release 2 (10.2)

Part Number B14200-02
Go to Documentation Home
Home
Go to Book List
Book List
Go to Table of Contents
Contents
Go to Index
Index
Go to Master Index
Master Index
Go to Feedback page
Contact Us

Go to previous page
Previous
Go to next page
Next
PDF · Mobi · ePub

COLLECT

Syntax

Description of collect.gif follows
Description of the illustration collect.gif

Purpose

COLLECT takes as its argument a column of any type and creates a nested table of the input type out of the rows selected. To get the results of this function you must use it within a CAST function.

If column is itself a collection, then the output of COLLECT is a nested table of collections.

See Also:

CAST

Examples

The following example creates a nested table from the varray column of phone numbers in the sample table oe.customers:

CREATE TYPE phone_book_t AS TABLE OF phone_list_typ;
/
SELECT CAST(COLLECT(phone_numbers) AS phone_book_t) 
   FROM customers;