Introduction to Database System Properties that describe the characteristics of entities are called: attributes. relationships. identifiers. entities. attributes. relationships. identifiers. entities. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A recursive relationship is a relationship between an entity and ________ . an instance entity a subtype entity an archetype entity itself an instance entity a subtype entity an archetype entity itself ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System What is the abbreviation used for a software package that permits the users to create, retrieve and maintain records in a database? None of these DBMS DASD EMMS FMS None of these DBMS DASD EMMS FMS ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data encryption techniques are particularly useful for None of these reducing storage space requirements protecting data in data communication systems All of these improving data integrity None of these reducing storage space requirements protecting data in data communication systems All of these improving data integrity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In any hierarchy of data organization, the smallest entity to be processed as a single unit is called data field database data record data file None of these data field database data record data file None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is in 5NF when multivalued dependencies are isolated in their own relation. False True False True ANSWER DOWNLOAD EXAMIANS APP