Friday, April 21, 2017

Collection Types in Object database systems

Collection types in object relational database systems, Collection types VARRAY, Nested Tables, and Associative Arrays in Oracle

Collection Types

A collection is an ordered group of elements of same type. The purpose of collection type is to support multiple values for one attribute [variable]. For example, other programming languages support the collection types array, lists, sets, bags, trees etc. To extend these features in database applications, PL/SQL provides the following collection types;

  • Associative Arrays


No comments:

Post a Comment

Featured Content

Multiple choice questions in Natural Language Processing Home

MCQ in Natural Language Processing, Quiz questions with answers in NLP, Top interview questions in NLP with answers Multiple Choice Que...

All time most popular contents

data recovery