The description of structure and organization of data in a database is contained in…..
a) Data dictionary
b) Data mine
c) SQL
d) None of these
A request for information from a database in database terminology is called……
a) Report
b) letter
c) Table
d) Query
How many types of keys?
a) six
b) seven
c) eight
d) nine
A table must have……..
a) Primary key
b) Secondary key
c) Composite key
d) Sort key
The attribute or set of attributes that can be used as primary key is called…..
a) Primary key
b) candidate key
c) Composite key
d) Sort key
A key that consists of two or more attributes is called…….
a) Primary key
b) candidate key
c) Composite key
d) Sort key
