a. Example for a given situation: The relation “r” is clustered by the attribute a in below case. Consider that the relation “r” is not clustered on the attribute “a”...

Question

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Answer 1

Expert Solution & Answer

Chapter 25, Problem 3PE

Explanation of Solution

a.

Example for a given situation:

The relation “r” is clustered by the attribute a in below case.

Consider that the relation “r” is not clustered on the attribute “a”...

Explanation of Solution

b.

Justification:

It is possible only when there is a mutual relationship between “a” and “b” attribute.

The a-value attribute with tuples “t1” is less than the a-value attribute with tuples “t22&#x...

Explanation of Solution

c.

Suggestion:

For both the queries the physical order of the tuples cannot be suited.

To execute the query efficiently, “r” is clustered on 'a' and we have B+ tree index on “b”...

Expert Solution & Answer

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Answer 2

Expert Solution & Answer

Chapter 25, Problem 3PE

Explanation of Solution

a.

Example for a given situation:

The relation “r” is clustered by the attribute a in below case.

Consider that the relation “r” is not clustered on the attribute “a”...

Explanation of Solution

b.

Justification:

It is possible only when there is a mutual relationship between “a” and “b” attribute.

The a-value attribute with tuples “t1” is less than the a-value attribute with tuples “t22&#x...

Explanation of Solution

c.

Suggestion:

For both the queries the physical order of the tuples cannot be suited.

To execute the query efficiently, “r” is clustered on 'a' and we have B+ tree index on “b”...

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 3

Expert Solution & Answer

Chapter 25, Problem 3PE

Explanation of Solution

a.

Example for a given situation:

The relation “r” is clustered by the attribute a in below case.

Consider that the relation “r” is not clustered on the attribute “a”...

Explanation of Solution

b.

Justification:

It is possible only when there is a mutual relationship between “a” and “b” attribute.

The a-value attribute with tuples “t1” is less than the a-value attribute with tuples “t22&#x...

Explanation of Solution

c.

Suggestion:

For both the queries the physical order of the tuples cannot be suited.

To execute the query efficiently, “r” is clustered on 'a' and we have B+ tree index on “b”...

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 4

Expert Solution & Answer

Chapter 25, Problem 3PE

Explanation of Solution

a.

Example for a given situation:

The relation “r” is clustered by the attribute a in below case.

Consider that the relation “r” is not clustered on the attribute “a”...

Explanation of Solution

b.

Justification:

It is possible only when there is a mutual relationship between “a” and “b” attribute.

The a-value attribute with tuples “t1” is less than the a-value attribute with tuples “t22&#x...

Explanation of Solution

c.

Suggestion:

For both the queries the physical order of the tuples cannot be suited.

To execute the query efficiently, “r” is clustered on 'a' and we have B+ tree index on “b”...

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 5

Expert Solution & Answer

Answer 6

Expert Solution & Answer

Answer 7

Chapter 25, Problem 3PE

Explanation of Solution

a.

Example for a given situation:

The relation “r” is clustered by the attribute a in below case.

Consider that the relation “r” is not clustered on the attribute “a”...

Explanation of Solution

b.

Justification:

It is possible only when there is a mutual relationship between “a” and “b” attribute.

The a-value attribute with tuples “t1” is less than the a-value attribute with tuples “t22&#x...

Explanation of Solution

c.

Suggestion:

For both the queries the physical order of the tuples cannot be suited.

To execute the query efficiently, “r” is clustered on 'a' and we have B+ tree index on “b”...

Answer 8

Chapter 25, Problem 3PE

Explanation of Solution

a.

Example for a given situation:

The relation “r” is clustered by the attribute a in below case.

Consider that the relation “r” is not clustered on the attribute “a”...

Answer 9

Chapter 25, Problem 3PE

Explanation of Solution

a.

Example for a given situation:

The relation “r” is clustered by the attribute a in below case.

Consider that the relation “r” is not clustered on the attribute “a”...

Answer 10

Explanation of Solution

b.

Justification:

It is possible only when there is a mutual relationship between “a” and “b” attribute.

The a-value attribute with tuples “t1” is less than the a-value attribute with tuples “t22&#x...

Answer 11

Explanation of Solution

b.

Justification:

It is possible only when there is a mutual relationship between “a” and “b” attribute.

The a-value attribute with tuples “t1” is less than the a-value attribute with tuples “t22&#x...

Answer 12

Explanation of Solution

c.

Suggestion:

For both the queries the physical order of the tuples cannot be suited.

To execute the query efficiently, “r” is clustered on 'a' and we have B+ tree index on “b”...

Answer 13

Explanation of Solution

c.

Suggestion:

For both the queries the physical order of the tuples cannot be suited.

To execute the query efficiently, “r” is clustered on 'a' and we have B+ tree index on “b”...

Answer 14

Expert Solution & Answer

Answer 15

Expert Solution & Answer

Answer 16

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Answer 17

Ch. 25 - Prob. 2PE Ch. 25 - Prob. 3PE Ch. 25 - Prob. 5PE Ch. 25 - Prob. 6PE Ch. 25 - Prob. 8PE Ch. 25 - Prob. 9PE Ch. 25 - Prob. 10E Ch. 25 - Prob. 11E Ch. 25 - Prob. 12E Ch. 25 - Prob. 13E

a. Example for a given situation: The relation “r” is clustered by the attribute a in below case. Consider that the relation “r” is not clustered on the attribute “a”...

Explanation of Solution

a. Example for a given situation: The relation “r” is clustered by the attribute a in below case. Consider that the relation “r” is not clustered on the attribute “a”...

Explanation of Solution

b. Justification: It is possible only when there is a mutual relationship between “a” and “b” attribute. The a-value attribute with tuples “t1” is less than the a-value attribute with tuples “t22&#x...

Explanation of Solution

c. Suggestion: For both the queries the physical order of the tuples cannot be suited. To execute the query efficiently, “r” is clustered on 'a' and we have B+ tree index on “b”...

Want to see the full answer?

Chapter 25 Solutions

a.

Example for a given situation:

The relation “r” is clustered by the attribute a in below case.

Consider that the relation “r” is not clustered on the attribute “a”...

b.

Justification:

It is possible only when there is a mutual relationship between “a” and “b” attribute.

The a-value attribute with tuples “t1” is less than the a-value attribute with tuples “t22&#x...

c.

Suggestion:

For both the queries the physical order of the tuples cannot be suited.

To execute the query efficiently, “r” is clustered on 'a' and we have B+ tree index on “b”...