In an E-R diagram,____________________ represent entities.
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Q17: An attribute is a characteristic or property
Q18: To create forms to use with a
Q19: When you need to change data,redundancy makes
Q20: An entity is also defined as an
Q21: _ are screen objects used to maintain,view,and
Q23: During the _ process,a database expert determines
Q24: Unlike a typical data file,a database can
Q25: A(n)_ frees programmers who write database access
Q26: In an E-R diagram,the _ at the
Q27: A good _ should provide an opportunity
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