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Chapter 13. Collections > Multilevel Collection Types

Multilevel Collection Types

With the release of the Oracle9i database, you can create a collection type in the database whose elements are also a collection type; this is known as a multilevel collection type. The following list shows the valid multilevel collection types:

  • A nested table containing a nested table type

  • A nested table containing a varray type

  • A varray containing a varray type

  • A varray containing a nested table type

  • A varray or nested table of an object type that has an attribute that is a varray or nested table type


  

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