The process of comparing data to a set of rules or values to find out if the data is correct is called….
a) data validation
b) data manipulation
c) data correction
d) data binding
Which of the following is an example of a database?
a) Phone book
b) library catalog
c) student records
d) all of these
Which of following represents a collection concept that are used to
describe the structure of database?
a) Data warehouse
b) Data model
c) Data Structure
d) Data type
DBA stands for…….
a) Database administrator
b) Data basic administration
c) Database application
d) Database authority
How many types of data models used in database?
a) three
b) four
c) five
d) six
hierarchical model, network model, relational model, object-oriented model, object relational model
Which of the following data model is more flexible?
a) Network data model
b) Hierarchical data model
c) relational data model
d) object data model
