A(n) ____ key is used in relational databases to avoid duplicate records.
A) primary
B) origin
C) foreign
D) duplicate
Correct Answer:
Verified
Q5: A _ is a collection of related
Q6: A user can permanently remove a database
Q7: A column in a database table is
Q8: ADO.NET 4.5 works with _.
A) Access 2010
B)
Q9: To use a database in a Windows
Q11: Database tables store information in _.
A) records
B)
Q12: The ToolStrip control used for navigating through
Q13: ADO.NET 4.5 can connect to _.
A) Oracle
B)
Q14: A primary key is a(n)_ in a
Q15: A _ in a database is a
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