Introduction to Database System Which of the following products was an early implementation of the relational model developed by E.F. Codd of IBM? IDMS DB2 dBase-II R:base IDMS DB2 dBase-II R:base ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Two files may be joined into a third file if both (b) and (c) None of these they have no records with the same value in the common field they have a field in common they have a row in common both (b) and (c) None of these they have no records with the same value in the common field they have a field in common they have a row in common ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An ID-dependent entity is an entity whose identifier is a composite identifier where no portion of the composite identifier is an identifier of another entity. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Versatile report generators can provide All of these Subtotals Calculations None of these Columnar totals All of these Subtotals Calculations None of these Columnar totals ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Table is synonymous with the term: record. relation. field. column. record. relation. field. column. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the rows are sometimes called "fields". False True False True ANSWER DOWNLOAD EXAMIANS APP
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