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Database Systems Practice Test 313
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MCQ 1561: The result of Boolean expression 'true or unknown' is
MCQ 1562: Database systems have several schemas, partitioned according to the
MCQ 1563: The number of errors in the following subquery is/are
(select salary
from instructor
where dept name=Biology)
MCQ 1564: Query processor component of the database system translates DML queries into sequences of actions at the
MCQ 1565: The difference of entities must be expressed in terms of their
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