Introduction to Database System The model for a _____ resembles the hierarchical model in many respects. Network database None of these Distributed database Hierarchical database Relational database Network database None of these Distributed database Hierarchical database Relational database 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? Entities Relationships Attributes Primary keys Entities Relationships Attributes Primary keys ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entities use identifiers while tables use keys. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The _____ command is used to allocates an extent for the table in SQL MODIFY TABLE MODIFY ALLOCATES ALTER TABLE None of these REDEFINE TABLE MODIFY TABLE MODIFY ALLOCATES ALTER TABLE None of these REDEFINE TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A subtype entity is a special case of another entity called a supertype entity. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the rows are sometimes called "records". False True False True ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS