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what are pl/sql collections?

Question Posted / pradeep

Answer Posted / pradeep

A collection is an ordered group of elements, all of the
same type. It is a general concept that encompasses lists,
arrays, and other familiar datatypes. Each element has a
unique subscript that determines its position in the collection.

PL/SQL offers these collection types:

* Index-by tables,
* Nested tables
* Varrays

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