Columns in a table that are of interest strictly for the purpose of retrieval are known as ____________________.
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Q41: In the _ design method,specific user requirements
Q42: On an E-R diagram,the number closest to
Q47: In the standard E-R diagrams,relationships are drawn
Q48: On an E-R diagram, _ entities have
Q49: A subtype is also called a(n) _
Q51: The _ design method begins with a
Q55: If a many-to-many-to-many relationship is created when
Q56: During the _-level design, designers must consider
Q56: In IEDF1X,complete categories are represented by _
Q57: In IDEF1X,the _ is the symbol for
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