Database Systems Certification Exam Tests
Database Systems Practice Test 137
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The Quiz Each record type defines a fixed number of: fields, variables, attributes and unique names with "Relational Databases" App Download (Free) for associates in computer science. Solve introduction to dbms questions and answers, Amazon eBook to download free sample for free online classes.
MCQ 681: Each record type defines a fixed number of
MCQ 682: The names of the attributes in the result are derived from the names of the attributes in the relations in the
MCQ 683: In E-R diagrams, the relationship set associating the weak entity set to the identifying strong entity set is represented by
MCQ 684: The contents of a relation instance may change with time as the relation
MCQ 685: Process of switching from finer-granularity data to a coarser granularity can take place by means of
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