Introduction to Database System The way a particular application views the data from the data base that the application uses is a : None of these module schema subschema relational model None of these module schema subschema relational model ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An-owner-member set in the CODASYL specifications may have more than one member but only one occurrence per member All of the listed here only one member but many member occurrence only one owner but many owner occurrences more than one member but only one occurrence per member All of the listed here only one member but many member occurrence only one owner but many owner occurrences ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a one-to-many relationship, the entity that is on the one side of the relationship is called a(n) ________ entity. subtype parent child instance subtype parent child instance ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command(s) is(are) used to enable/disable/drop an integrity constraint in SQL? DEFINE TABLE ALTER TABLE All of the listed here MODIFY TABLE DEFINE TABLE ALTER TABLE All of the listed here MODIFY TABLE 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? Relationships Entities Attributes Primary keys Relationships Entities Attributes Primary keys ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The files stored on a secondary stage device are composed of a hierarchy of data. What does a record in a file contain? Characters Data field None of the listed here Bits Characters Data field None of the listed here Bits ANSWER DOWNLOAD EXAMIANS APP