Introduction to Database System A functional dependency is a relationship between or among attributes. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Row is synonymous with the term: record. column. field. relation. record. column. field. relation. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If a piece of data is stored in two places in the database, then changing the data is one spot will cause data inconsistency both (a) and (b) it can be more easily accessed storage space is wasted None of these changing the data is one spot will cause data inconsistency both (a) and (b) it can be more easily accessed storage space is wasted None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Prior to 1970, all data was stored in separate files, which were mostly stored on reels of magnetic tape. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is considered a: three-dimensional table. two-dimensional table. one-dimensional table. Column. three-dimensional table. two-dimensional table. one-dimensional table. Column. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is NOT a basic element of all versions of the E-R model? Attributes Relationships Entities Primary keys Attributes Relationships Entities Primary keys ANSWER DOWNLOAD EXAMIANS APP