Examlex
A dependency based on only a part of a composite primary key is known as a partial dependency.
Uncertainty
A condition where the outcome of an event or the effect of a decision is unknown.
Q2: Once the data has been loaded into
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Q8: A relationship is difficult to establish if
Q9: A client-side extension is a program that
Q32: For most business transactional databases, we should
Q34: The proper use of keys is crucial
Q57: A system maintenance activity generated in response
Q70: Rows can be grouped into smaller collections
Q71: Having a computerized DBMS guarantees that the
Q100: The statement combines the output of two