Introduction to Database System In a relation, the columns are sometimes called "attributes". False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following products was the first to implement true relational algebra in a PC DBMS? Oracle dBase-II R:base IDMS Oracle dBase-II R:base IDMS ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Relationship classes are associations between entity classes. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A report form None of these appears on the computer monitor during data entry All of these both (a) and (b) is used during report generation to format data None of these appears on the computer monitor during data entry All of these both (a) and (b) is used during report generation to format data ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System One of the reasons why OODBMSs have not been widely used for business information systems is that OOP is obsolete. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Two files may be joined into a third file if both (b) and (c) they have no records with the same value in the common field None of these they have a field in common they have a row in common both (b) and (c) they have no records with the same value in the common field None of these they have a field in common they have a row in common ANSWER DOWNLOAD EXAMIANS APP
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