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You can pass composite variables to subprograms as a parameters.

To create a collection or record variable, you first define a collection or record type, and then you declare a variable of that type. A collection that is created in a PL/SQL block (with the syntax in Collection) is available only in that block.

A nested table type or varray type that is created at schema level (with the CREATE TYPE Statement) is stored in the database, and you can manipulate it with SQL statements.

A collection has only one dimension, but you can model a multidimensional collection by creating a collection whose elements are also collections.

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Example 5-1 declares an associative array that is indexed by a string, populates it, and prints it.This chapter explains how to create and use PL/SQL collection and record variables.These composite variables have internal components that you can treat as individual variables.PUT_LINE 27 ('Population of '

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