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In IDEF1X,extended E-R model supertype entities are called ________.
Q1: In UML,an attribute that is accessible only
Q9: The SQL keyword TOP _.<br>A)limits the number
Q25: In UML-style E-R diagrams,a weak entity is
Q26: An entity whose existence depends on the
Q42: An exclusive subtype pattern has one supertype
Q48: An entity is something that users want
Q66: Explain the MySQL control-of-flow statements.
Q94: A relation is in 4NF if it
Q95: For a number of reasons,_ is not
Q102: The Oracle SQL Developer has no facility