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Welcome to the Managing Data using SQL MCQs Page

Dive deep into the fascinating world of Managing Data using SQL with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Managing Data using SQL, a crucial aspect of MySQL Database. In this section, you will encounter a diverse range of MCQs that cover various aspects of Managing Data using SQL, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within MySQL Database.

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Check out the MCQs below to embark on an enriching journey through Managing Data using SQL. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of MySQL Database.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Managing Data using SQL. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Managing Data using SQL MCQs | Page 10 of 20

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Q91.
To combine multiple retrievals, we write several SELECT statements and put the keyword between them. What is the keyword?

a.

COMBINE

b.

CONCAT

c.

JOIN

d.

UNION

Discuss
Answer: (d).UNION
Q92.
What is ‘xyz’ in the following SQL statement? 
SELECT xyz FROM table1 UNION xyz FROM table2;

a.

row name

b.

column name

c.

table name

d.

database name

Discuss
Answer: (b).column name
Q93.
The following SQL statement is invalid. 
SELECT abc, xyz FROM table1 UNION abc, def FROM table2;

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False
Q94.
Which keyword used with UNION does not retain duplicate rows?

a.

ALL

b.

NARROW

c.

STRICT

d.

DISTINCT

Discuss
Answer: (d).DISTINCT
Q95.
Which keyword used with UNION retains duplicate rows?

a.

ALL

b.

NARROW

c.

STRICT

d.

DISTINCT

Discuss
Answer: (a).ALL
Q96.
The UNION ALL has a higher precedence than UNION DISTINCT.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False
Q97.
Which clause is used to sort a UNION result as a whole?

a.

LIMIT

b.

ORDER BY

c.

GROUP BY

d.

SORT

Discuss
Answer: (b).ORDER BY
Q98.
Suppose it is desired that UNION operation should return not more than 3 rows. Which keyword is used for this?

a.

LIMIT

b.

RESTRICT

c.

COUNT

d.

SORT

Discuss
Answer: (a).LIMIT
Q99.
Which table is used to run a UNION-type query on MyISAM tables?

a.

TRADITIONAL

b.

MERGE

c.

SERVELET

d.

UNITE

Discuss
Answer: (b).MERGE
Q100.
SELECT on a MERGE table is like _____________

a.

UNION ALL

b.

UNION

c.

UNION DISTINCT

d.

JOIN

Discuss
Answer: (a).UNION ALL
Page 10 of 20

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