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What is a primary key in a database? All of these A unique identifier for each record in a table A type of index used
What is a primary key in a database?
All of these
A unique identifier for each record in a table
A type of index used in a database
A field that stores data in a table
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Learning MySQL Get A Handle On Your Data
Authors: Seyed M M Tahaghoghi
1st Edition
0596529465, 9780596529468
