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elbthwtkns01 elbthwtkns01
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5 years ago
Discuss the role of backup and test databases in database redesign.
Textbook 
Database Processing: Fundamentals, Design, and Implementation

Database Processing: Fundamentals, Design, and Implementation


Edition: 15th
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5 years ago
Typically, there are at least three different copies of the database schema used in database redesign: (1) a small test database for initial testing, (2) a large or full copy test database for further testing, and (3) the operational database itself. There must be a process to restore the test databases to their original state during the testing process so that tests can be rerun as needed. If it is not possible to use a full copy of a very large operational database for testing, an appropriate large-scale test version must be created and used.
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