Introduction to Database System A relation is considered a: Column. two-dimensional table. one-dimensional table. three-dimensional table. Column. two-dimensional table. one-dimensional table. three-dimensional table. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Two files may be joined into a third file if they have no records with the same value in the common field they have a row in common None of these they have a field in common both (b) and (c) they have no records with the same value in the common field they have a row in common None of these they have a field in common both (b) and (c) ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is a database administrator's function? performance monitoring database design backing up the database All of the listed here performance monitoring database design backing up the database All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System When using a database management system, the first thing that you must do is to activate file editor keep a floppy disk in readiness load the software into your micro¬computer create a database file activate file editor keep a floppy disk in readiness load the software into your micro¬computer create a database file 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 In the relational model, relationships between relations or tables are created by using: determinants. candidate keys. foreign keys. composite keys. determinants. candidate keys. foreign keys. composite keys. ANSWER DOWNLOAD EXAMIANS APP