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 key: identifies a row. must always be composed of two or more columns. identifies a column. can only be one column. identifies a row. must always be composed of two or more columns. identifies a column. can only be one column. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ Contains fields of data about one entity. None of these File Document Record Fields None of these File Document Record Fields ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Large collections of files are called fields databases None of these file system records fields databases None of these file system records ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System After you _____ a record, many data management the environments require you to issue a command to save the changes you made. Delete Update Sort key Index Delete Update Sort key Index ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A functional dependency is always an equation. False True False True ANSWER DOWNLOAD EXAMIANS APP
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