data base management system (DBMS) set 1 Detailed Explanation And More Example

Question : 1

A subset of characters within a data field is known as

a) Record

b) File

c) Data string

d) Byte

Question : 2

In a relational schema, each tuple is divided into fields called

a) Relations

b) Domains

c) Queries

d) All of the above

Question : 3

A field that uniquely identifies a record is called a

a) Main field

b) Header

c) Key field

d) None of above

Question : 4

Which field allow to select items from drop down list?

a) An OLE field

b) A Memo Field

c) A lookup Field

d) A hyperlink field

Question : 5

It examines a small portion or sample of your data in a report before printing it.

a) Datasheet view

b) Design view

c) Print preview

d) Layout preview

Question : 6

Examples of centralized multi-user databases are

a) Barclays’ Bank customer accounts

b) Supermarket stock control, organ donor database, client database

c) Airline reservations and other national global booking systems

d) None of above