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Q 7 . What is the primary key in a database? A . A unique identifier for each record B . A foreign key C
Q What is the primary key in a database?
A A unique identifier for each record
B A foreign key
C A combination of columns
D A key used to encrypt data
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Visual C# And Databases
Authors: Philip Conrod, Lou Tylee
16th Edition
1951077083, 978-1951077082
