In an E-R diagram,the ____________________ at the end of a line indicates the "many" part of the one-to-many relationship between two entities.
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Q21: _ are screen objects used to maintain,view,and
Q22: In an E-R diagram,_ represent entities.
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
Q27: A good _ should provide an opportunity
Q28: In a(n)_ relationship between two entities,each occurrence
Q29: _ is the prevention of unauthorized access
Q30: In an E-R diagram,_ represent relationships between
Q31: One disadvantage of a database system is
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