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Techniques for Uniquely Identifying Database Records

When designing and creating a data model for a data-driven application, the records in tables must each be uniquely identifiable. By having a unique value associated with each record, individual records can be selected, updated, or deleted. Being able to uniquely identify records is so important and standard in a database system that databases allow those designing a database table to specify what column (or columns) make up the primary key.

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CLR Inside Out

This article is meant to explore these architectural issues from the bottom up, and aims to guide you through this new world. In the long run, new programming models are likely to appear that will abstract away a lot of the challenges you will encounter.

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Question of the Day

Identities and Sequences III

When thinking of the Identity property for auto incrementing columns and sequences for the same action, which can be used with the BIGINT data type?

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