December 2016
Intermediate to advanced
368 pages
6h 44m
English
Content preview from Sams Teach Yourself Microsoft® SQL Server T-SQL in 10 Minutes, Second Edition
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Lesson 26. Managing Transaction Processing
In this lesson, you learn what transactions are and how to use COMMIT and ROLLBACK statements to manage transaction processing.
Understanding Transaction Processing
Transaction processing is used to maintain database integrity by ensuring that batches of T-SQL operations execute completely or not at all.
As explained back in Lesson 14, “Joining Tables,” relational databases are designed so data is stored in multiple tables to facilitate easier data manipulation, management, and reuse. Without going into the how and why of relational database design, take it as a given that well-designed database schemas are relational to some degree.
The orders tables you’ve been using in prior lessons are a good example ...
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