Most DBMS available today that include SQL also include mechanisms within the DBMS itself for establishing and enforcing referential integrity.
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Q33: Queries of a database are driven by
Q34: The INSERT command is used to add
Q35: The UPDATE command demonstrates one of the
Q36: A missing value is called a non-null.
Q38: Relational integrity specifies that for every attribute
Q39: Knowledge management uses state-of-the art information technologies
Q40: Composite attributes consist of multiple subattributes.
Q41: The cardinality constraint:
A) specifies the degree of
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