The plan for the given query: The given query is, select * from r,s where upper(r,A)= upper(s,A) The relations “r” and “s” have been created and the records for the relations have been inserted to the relations...

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Answer 1

Expert Solution & Answer

Chapter 16, Problem 8PE

a.

Explanation of Solution

The plan for the given query:

The given query is,

select * from r,s where upper(r,A)= upper(s,A)

The relations “r” and “s” have been created and the records for the relations have been inserted to the relations...

b.

Explanation of Solution

Explanation:

The given query is,

select * from r,s where upper(r,A)= upper(s,A)

The ways to efficiently use the hash join for the given query is as follows,

Apply the “upper()” function on “r.A” and “s.A”.

To optimize the query result, use hashing...

Expert Solution & Answer

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Check out a sample textbook solution

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Answer 2

Expert Solution & Answer

Chapter 16, Problem 8PE

a.

Explanation of Solution

The plan for the given query:

The given query is,

select * from r,s where upper(r,A)= upper(s,A)

The relations “r” and “s” have been created and the records for the relations have been inserted to the relations...

b.

Explanation of Solution

Explanation:

The given query is,

select * from r,s where upper(r,A)= upper(s,A)

The ways to efficiently use the hash join for the given query is as follows,

Apply the “upper()” function on “r.A” and “s.A”.

To optimize the query result, use hashing...

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 3

Expert Solution & Answer

Chapter 16, Problem 8PE

a.

Explanation of Solution

The plan for the given query:

The given query is,

select * from r,s where upper(r,A)= upper(s,A)

The relations “r” and “s” have been created and the records for the relations have been inserted to the relations...

b.

Explanation of Solution

Explanation:

The given query is,

select * from r,s where upper(r,A)= upper(s,A)

The ways to efficiently use the hash join for the given query is as follows,

Apply the “upper()” function on “r.A” and “s.A”.

To optimize the query result, use hashing...

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 4

Expert Solution & Answer

Chapter 16, Problem 8PE

a.

Explanation of Solution

The plan for the given query:

The given query is,

select * from r,s where upper(r,A)= upper(s,A)

The relations “r” and “s” have been created and the records for the relations have been inserted to the relations...

b.

Explanation of Solution

Explanation:

The given query is,

select * from r,s where upper(r,A)= upper(s,A)

The ways to efficiently use the hash join for the given query is as follows,

Apply the “upper()” function on “r.A” and “s.A”.

To optimize the query result, use hashing...

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 5

Expert Solution & Answer

Answer 6

Expert Solution & Answer

Answer 7

Chapter 16, Problem 8PE

a.

Explanation of Solution

The plan for the given query:

The given query is,

select * from r,s where upper(r,A)= upper(s,A)

The relations “r” and “s” have been created and the records for the relations have been inserted to the relations...

b.

Explanation of Solution

Explanation:

The given query is,

select * from r,s where upper(r,A)= upper(s,A)

The ways to efficiently use the hash join for the given query is as follows,

Apply the “upper()” function on “r.A” and “s.A”.

To optimize the query result, use hashing...

Answer 8

Chapter 16, Problem 8PE

a.

Explanation of Solution

The plan for the given query:

The given query is,

select * from r,s where upper(r,A)= upper(s,A)

The relations “r” and “s” have been created and the records for the relations have been inserted to the relations...

Answer 9

Chapter 16, Problem 8PE

a.

Explanation of Solution

The plan for the given query:

The given query is,

select * from r,s where upper(r,A)= upper(s,A)

The relations “r” and “s” have been created and the records for the relations have been inserted to the relations...

Answer 10

b.

Explanation of Solution

Explanation:

The given query is,

select * from r,s where upper(r,A)= upper(s,A)

The ways to efficiently use the hash join for the given query is as follows,

Apply the “upper()” function on “r.A” and “s.A”.

To optimize the query result, use hashing...

Answer 11

b.

Explanation of Solution

Explanation:

The given query is,

select * from r,s where upper(r,A)= upper(s,A)

The ways to efficiently use the hash join for the given query is as follows,

Apply the “upper()” function on “r.A” and “s.A”.

To optimize the query result, use hashing...

Answer 12

Expert Solution & Answer

Answer 13

Expert Solution & Answer

Answer 14

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Check out a sample textbook solution

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Answer 15

Ch. 16 - Prob. 2PE Ch. 16 - Prob. 3PE Ch. 16 - SQL allows relations with duplicates (Chapter 3),...Ch. 16 - Prob. 5PE Ch. 16 - Prob. 6PE Ch. 16 - Prob. 7PE Ch. 16 - Prob. 8PE Ch. 16 - Prob. 9PE Ch. 16 - Prob. 10PE Ch. 16 - Prob. 12PE

The plan for the given query: The given query is, select * from r,s where upper(r,A)= upper(s,A) The relations “r” and “s” have been created and the records for the relations have been inserted to the relations...

Explanation of Solution

The plan for the given query: The given query is, select * from r,s where upper(r,A)= upper(s,A) The relations “r” and “s” have been created and the records for the relations have been inserted to the relations...

Explanation of Solution

Explanation: The given query is, select * from r,s where upper(r,A)= upper(s,A) The ways to efficiently use the hash join for the given query is as follows, Apply the “upper()” function on “r.A” and “s.A”. To optimize the query result, use hashing...

Want to see the full answer?

Chapter 16 Solutions

The plan for the given query:

The given query is,

select * from r,s where upper(r,A)= upper(s,A)

The relations “r” and “s” have been created and the records for the relations have been inserted to the relations...

Explanation:

The given query is,

select * from r,s where upper(r,A)= upper(s,A)

The ways to efficiently use the hash join for the given query is as follows,

Apply the “upper()” function on “r.A” and “s.A”.

To optimize the query result, use hashing...