Introduction to Database System An entity class is a collection of entities and is described by the structure of the entities in that class. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entities can be associated with one another in which of the following? Entities Relationships Identifiers Attributes Entities Relationships Identifiers Attributes ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Structured Query Language (SQL) is an internationally recognized standard language that is understood by all commercial database management system products. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command(s) is(are) used to enable/disable/drop an integrity constraint in SQL? ALTER TABLE DEFINE TABLE MODIFY TABLE All of the listed here ALTER TABLE DEFINE TABLE MODIFY TABLE All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If you want to organize a file in multiple ways, it is better to _____ the data rather than to sort it. Update None of these Delete Sort Key Index Update None of these Delete Sort Key Index 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 database data record data field data file None of these database data record data field data file None of these ANSWER DOWNLOAD EXAMIANS APP