Multilevel Collection Types : Introduction « Collections « Oracle PL/SQL Tutorial






  1. Oracle PL/SQL Tutorial
  2. Collections
  3. Introduction

A collection type whose elements are also a collection type is known as a multilevel collection type.

The following list shows the valid multilevel collection types:

  1. A nested table containing a nested table type
  2. A nested table containing a varray type
  3. A varray containing a varray type
  4. A varray containing a nested table type
  5. A varray or nested table of an object type that has an attribute that is a varray or nested table type
26.1.Introduction
26.1.1.Collections stores sets of elements
26.1.2.Multilevel Collection Types
26.1.3.List of Collection methods