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Oracle in a Nutshell
book

Oracle in a Nutshell

by Rick Greenwald, David C. Kreines
December 2002
Intermediate to advanced content levelIntermediate to advanced
928 pages
85h 29m
English
O'Reilly Media, Inc.
Content preview from Oracle in a Nutshell

Nested collections

Nested collections are collections contained in members that are collections themselves. Nesting collections is a powerful way to implement object-oriented programming constructs within PL/SQL programs. This discussion is beyond the scope of this chapter but is well described in Oracle PL/SQL Programming.

Here is a simple example of specifying a nested collection:

CREATE TYPE books IS TABLE OF VARCHAR2(64);
CREATE TYPE our_books IS TABLE OF books;
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Publisher Resources

ISBN: 0596003366Errata Page