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Participation is _____ if one entity occurrence does not require a corresponding entity occurrence in a particular relationship.
Q15: Which of the following is the first
Q26: From a structural point of view, 3NF
Q32: Assume you are using the MINUS operator
Q46: relationships occur when there are multiple relationship
Q62: An entity is said to be -dependent
Q74: A(n) exists when there are functional dependencies
Q76: completeness means that not every supertype occurrence
Q88: One of the disadvantages of stored procedures
Q100: According to the rules of precedence, which
Q104: If a table has multiple candidate keys