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Sometimes besides primary key and foreign key constraints, you need to create other types of constraints in your database. What unique constraint and check
Sometimes besides primary key and foreign key constraints, you need to create other types of constraints in your database. What unique constraint and check constraint should you create in your database? Why are they important? What index should you create in your database? Why is it important?
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In addition to primary key and foreign key constraints there are other types of constraints that you can create in your database to ensure data integr...
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Concepts of Database Management
Authors: Philip J. Pratt, Mary Z. Last
8th edition
1285427106, 978-1285427102
