Introduction to Database System Queries to a database can use aggregate functions like SUM and COUNT both (a) and (b) None of these All of these are written in English can use aggregate functions like SUM and COUNT both (a) and (b) None of these All of these are written in English ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In which of the following is a single-entity instance of one type related to many entity instances of another type? Composite Relationship Many-to-Many Relationship One-to-Many Relationship One-to-One Relationship Composite Relationship Many-to-Many Relationship One-to-Many Relationship One-to-One Relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The _____ command is used to allocates an extent for the table in SQL ALTER TABLE None of these REDEFINE TABLE MODIFY TABLE MODIFY ALLOCATES ALTER TABLE None of these REDEFINE TABLE MODIFY TABLE MODIFY ALLOCATES ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System All instances of an entity class have the same attributes. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following products was the first to implement true relational algebra in a PC DBMS? Oracle dBase-II IDMS R:base Oracle dBase-II IDMS R:base 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? None of the listed here Characters Data field Bits None of the listed here Characters Data field Bits ANSWER DOWNLOAD EXAMIANS APP