Introduction to Database System Which of the following products was an early implementation of the relational model developed by E.F. Codd of IBM? dBase-II R:base DB2 IDMS dBase-II R:base DB2 IDMS ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A computer file contains several records. What does each record contain? Bytes Fields Words Database Bytes Fields Words Database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A compound key both (a) and (b) uniquely identifies an item in a list None of these is made up a several pieces of information is a combination of each unique key both (a) and (b) uniquely identifies an item in a list None of these is made up a several pieces of information is a combination of each unique key ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A functional dependency is always an equation. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An identifier typically uses more than one attribute. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An attribute describes the entity's characteristics. True False True False ANSWER DOWNLOAD EXAMIANS APP
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