MySQL MCQ's Set-1
1. To use MySQL on your computer, you’ll need
A. Perl, PHP or Java
B. Some sort of client program to access the databases
C. A Browser
D. FTP and Telnet
ANSWER: B
2. What kind of replication is supported by the MySQL server?
A. Multiple-master replication
B. Master to slave replication
C. Single file based clustering
D. MySQL doesn’t support replication
ANSWER: B
3. Commands passed to the MySQL daemon are written in
A. Your choice from Perl, PHP, Java or some other languages
B. English
C. the Structured Query Language
D. Swedish
ANSWER: C
4. Which of the following can add a row to a table?
A. Alter
B. Add
C. Insert
D. Create
E. Update
ANSWER: C
5. Which of these commands will delete a table called XXX if you have appropriate authority:
A. DROP XXX
B. DELETE XXX WHERE confirm = “YES”
C. DROP XXX WHERE confirm = “YES”
D. DROP TABLE XXX
E. DELETE XXX
F. DELETE TABLE XXX
ANSWER: D
6. In a LIKE clause, you can ask for any 6 letter value by writing:
A. LIKE ??????
B. LIKE .{6}
C. LIKE ^.{6}$
D. LIKE …… (that’s six dots)
E. LIKE ______ (that’s six underscore characters)
ANSWER: E
7. Which of the following is NOT supported by MySQL
A. Temporary (Hash) Tables
B. Table Joining
C. Stored Procedures
D. Regular Expression Matching
ANSWER: C
8. Which of these is a valid call to a function (watch the spaces carefully!)
A. CONCAT( A , B )
B. CONCAT ( A , B )
C. CONCAT( “A” , “B” )
D. CONCAT ( “A” , “B” )
E. CONCAT (A, B)
F. CONCAT (“A”, “B”)
ANSWER: C
9. If you want to undo a GRANT, you should use
A. REVOKE
B. UNDO
C. UNGRANT
D. DELETE
E. WITHDRAW
F. ROLLBACK
ANSWER A
10. How many distinct, different values can you hold in an enum field?
A. 255
B. 7
C. 65535
D. 2 (True and False)
ANSWER: C
11. Which of the following is NOT available in MySQL:
A. REVOKE
B. FETCH
C. LIKE
D. JOIN
E. SELECT
ANSWER: B
12. Which of these field types would be best to hold a film title?
A. longblob
B. tinytext
C. mediumtext
D. longtext
E. tinyblob
ANSWER: B
13. The program called mysql is
A. There isn’t a program just called mysql
B. A wrapper through which Java clients must connect to the databases
C. A client program that lets you send SQL commands to the database engine
D. The database engine
E. A program that starts up and shuts down the database engine
ANSWER: C
14. In a LIKE clause, you can ask for any 6 letter value by writing:
A. LIKE ______ (that’s six underscore characters)
B. LIKE .{6}
C. LIKE ??????
D. LIKE ^.{6}$
E. LIKE …… (that’s six dots)
ANSWER: A
15. Which of the following is available in MySQL:
A. CREATE VIEW
B. CREATE SCHEMA
C. CREATE TRIGGER
D. CREATE DATABASE
E. CREATE FAIRYLIGHTS
ANSWER: D
16. Which of these field types would be best to hold a .jpg image?
A. char binary
B. nchar binary
C. text
D. blob
ANSWER: D
17. Which of the following is available in MySQL:
A. CREATE TRIGGER
B. CREATE SCHEMA
C. CREATE FAIRYLIGHTS
D. CREATE DATABASE
E. CREATE VIEW
ANSWER: D
18. To remove duplicate rows from the result set of a SELECT use the following keyword:
a) NO DUPLICATE
b) UNIQUE
c) DISTINCT
d) None of the above
ANSWER: c
19. Which of the following is used to delete an entire MYSQL database?
a) mysql_drop_database
b) mysql_drop_entiredb
c) mysql_drop_db
d) mysql_drop_dbase
ANSWER: c
20. Primary Key does allow the Null Values. where as in Unique key doesn’t accept the Null values.
Question: True or False ?
a) False
b) True
ANSWER: a
