Want to pass your Database Fundamentals 98-364 exam in the very first attempt? Try Pass2lead! It is equally effective for both starters and IT professionals.
VCE
You execute the following statement:

This statement is an example of a/an:
A. Subquery
B. Union
C. Outer join
D. Cartesian product
You accept an IT internship at a local charity. The charity wants you to help them with compliance and auditing requirements.
You need to ensure that a column or combination of columns uniquely identifies each row of a table.
Which constraint should you define?
A. Primary key
B. Secondary key
C. Foreign key
D. Default key
You accept an IT internship at a local charity. The charity asks you to keep a record of its volunteers by using a database table named Volunteer.
When volunteers ask to be removed from mailing lists, the table must be updated.
You need to use a transaction to ensure that the database has data integrity and referential integrity.
Which statement should you use?

A. Option A
B. Option B
C. Option C
D. Option D