a) super key
b) Primary key
c) Foreign key
d) none of the above
Q. Back up and restore is preferred for
b) System data areas only
c) Selected file system components
d) Disk image for recovery
B. binary language.
C. binary digit.
D. binary number.
B.Another name for a table in an RDBMS.
C. A row or record in a database table.
D. Another name for the key linking different tables in a database
Q. The advantages of Standard Query Language (SQL) include which of the following in relation to GIS databases?
A.It is simple and easy to understand.
B.It is good at handling geographical concepts.
C.It is widely used.
D.It uses a pseudo-English style of questioning
Q.Database management systems are intended to