data base management system (DBMS) set 3 Detailed Explanation And More Example
MOST IMPORTANT computer mcq - 5 EXERCISES
The following question based on data base management system (DBMS) topic of computer mcq
(a) Tools
(b) View
(c) Format
(d) Table
e) None of these
The correct answers to the above question in:
Answer: (e)
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Read more dbms Based Computer Questions and Answers
Question : 1
A tuple is a
a) column of a table
b) two-dimensional table
c) row of a table
d) key of a table
e) None of these
Answer »Answer: (c)
Question : 2
Databases overall structure is maintained in a file called
a) Redo log file
b) Data file
c) Control file
d) All of the above
e) None of these
Answer »Answer: (c)
Question : 3
Which command we will give if we want to show the database objects with it's description ?
a) Details
b) Show
c) List
d) Any of the above
e) None of the above
Answer »Answer: (a)
Question : 4
ROLLBACK in a database is ________ statement
a) TCL
b) DCL
c) DML
d) DDL
e) SDL
Answer »Answer: (a)
Question : 5
How do businesses protect their databases?
a) Security guards are hired to watch the databases at all times.
b) Databases are protected by file swapping.
c) Databases are naturally protected.
d) Databases are kept physically and electronically secure.
e) The computer room is kept locked after office hours.
Answer »Answer: (d)
Question : 6
When data changes in multiple lists and all lists are not updated, this causes
a) data redundancy
b) information overload
c) duplicate data
d) data inconsistency
e) data repetition
Answer »Answer: (d)
GET data base management system (DBMS) PRACTICE TEST EXERCISES
data base management system (DBMS) set 1
data base management system (DBMS) set 2
data base management system (DBMS) set 3
data base management system (DBMS) set 4
data base management system (DBMS) set 5
data base management system (DBMS) Shortcuts and Techniques with Examples
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