Introduction to Database System Which of the following products implemented the CODASYL DBTG model? R:base dBase-II DB2 IDMS R:base dBase-II DB2 IDMS ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A compound key both (a) and (b) is a combination of each unique key is made up a several pieces of information None of these uniquely identifies an item in a list both (a) and (b) is a combination of each unique key is made up a several pieces of information None of these uniquely identifies an item in a list ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A recursive relationship is a relationship between an archetype and an instance of that archetype. False True False True 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. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A computer file can be best described as a single data item a random collection of data items None of these an orderly collection of data items a general collection of data items a single data item a random collection of data items None of these an orderly collection of data items a general collection of data items ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Row is synonymous with the term: column. record. field. relation. column. record. field. relation. ANSWER DOWNLOAD EXAMIANS APP
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