Introduction to Database System
In SQL, the ALTER TABLESPACE command is used

to take a tablespace online/offline
to change storage characteristics
to add/rename data files
All of the listed here

ANSWER DOWNLOAD EXAMIANS APP

Introduction to Database System
A good query system

both (a) and (b)
None of these
can be accessed only by data processing professionals
can accept English language commands
allows non-programmers to access information stored in a database

ANSWER DOWNLOAD EXAMIANS APP