Introduction to Database System Database applications are seldom intended for use by a single user. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A computer file can be best described as an orderly collection of data items a single data item a random collection of data items None of these a general collection of data items an orderly collection of data items a single data item a random collection of data items None of these a general collection of data items ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, the ALTER TABLESPACE command is used to add/rename data files to take a tablespace online/offline to change storage characteristics All of the listed here to add/rename data files to take a tablespace online/offline to change storage characteristics All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The physical location of a record is determined by a mathematical formula that transforms a file key into a record location in None of these an indexed file a hashed file a sequential file a tree file None of these an indexed file a hashed file a sequential file a tree file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to remove an index from the database in SQL? REMOVE INDEX DELETE INDEX DROP INDEX ROLL BACK INDEX REMOVE INDEX DELETE INDEX DROP INDEX ROLL BACK INDEX ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity represents a logical generalization whose actual occurrence is represented by a second, associated entity? Subtype entity Instance entity Archetype entity Supertype entity Subtype entity Instance entity Archetype entity Supertype entity ANSWER DOWNLOAD EXAMIANS APP