Given scenario: In the given case, a relation which is stored in a B + -tree file...

Question

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Answer 1

Expert Solution & Answer

Chapter 14, Problem 22E

Explanation of Solution

Given scenario:

In the given case, a relation which is stored in a B⁺-tree file...

Explanation of Solution

a)

If a node split takes place in B⁺-tree file organization:

Some records are moved to a new page...

Explanation of Solution

b)

While determining the cost of updating all the affected records in a secondary index, keep in mind that:

Each leaf page will contain a large number of records.

Also, each record will be in different locations on each secondary index...

Explanation of Solution

c)

With the use of search key of the file organization as a logical record identifier resolves the above issue as:

The value of primary-index search key attribute is...

Explanation of Solution

d)

Using the above logical records identifier also has some extra cost associated with it:

In the given case, two steps are required to locate the record using the secondary index;

In the first step, find the primary index search-key value from the secondary index...

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Answer 2

Expert Solution & Answer

Chapter 14, Problem 22E

Explanation of Solution

Given scenario:

In the given case, a relation which is stored in a B⁺-tree file...

Explanation of Solution

a)

If a node split takes place in B⁺-tree file organization:

Some records are moved to a new page...

Explanation of Solution

b)

While determining the cost of updating all the affected records in a secondary index, keep in mind that:

Each leaf page will contain a large number of records.

Also, each record will be in different locations on each secondary index...

Explanation of Solution

c)

With the use of search key of the file organization as a logical record identifier resolves the above issue as:

The value of primary-index search key attribute is...

Explanation of Solution

d)

Using the above logical records identifier also has some extra cost associated with it:

In the given case, two steps are required to locate the record using the secondary index;

In the first step, find the primary index search-key value from the secondary index...

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 3

Expert Solution & Answer

Chapter 14, Problem 22E

Explanation of Solution

Given scenario:

In the given case, a relation which is stored in a B⁺-tree file...

Explanation of Solution

a)

If a node split takes place in B⁺-tree file organization:

Some records are moved to a new page...

Explanation of Solution

b)

While determining the cost of updating all the affected records in a secondary index, keep in mind that:

Each leaf page will contain a large number of records.

Also, each record will be in different locations on each secondary index...

Explanation of Solution

c)

With the use of search key of the file organization as a logical record identifier resolves the above issue as:

The value of primary-index search key attribute is...

Explanation of Solution

d)

Using the above logical records identifier also has some extra cost associated with it:

In the given case, two steps are required to locate the record using the secondary index;

In the first step, find the primary index search-key value from the secondary index...

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 4

Expert Solution & Answer

Chapter 14, Problem 22E

Explanation of Solution

Given scenario:

In the given case, a relation which is stored in a B⁺-tree file...

Explanation of Solution

a)

If a node split takes place in B⁺-tree file organization:

Some records are moved to a new page...

Explanation of Solution

b)

While determining the cost of updating all the affected records in a secondary index, keep in mind that:

Each leaf page will contain a large number of records.

Also, each record will be in different locations on each secondary index...

Explanation of Solution

c)

With the use of search key of the file organization as a logical record identifier resolves the above issue as:

The value of primary-index search key attribute is...

Explanation of Solution

d)

Using the above logical records identifier also has some extra cost associated with it:

In the given case, two steps are required to locate the record using the secondary index;

In the first step, find the primary index search-key value from the secondary index...

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 14, Problem 22E

Explanation of Solution

Given scenario:

In the given case, a relation which is stored in a B⁺-tree file...

Explanation of Solution

a)

If a node split takes place in B⁺-tree file organization:

Some records are moved to a new page...

Explanation of Solution

b)

While determining the cost of updating all the affected records in a secondary index, keep in mind that:

Each leaf page will contain a large number of records.

Also, each record will be in different locations on each secondary index...

Explanation of Solution

c)

With the use of search key of the file organization as a logical record identifier resolves the above issue as:

The value of primary-index search key attribute is...

Explanation of Solution

d)

Using the above logical records identifier also has some extra cost associated with it:

In the given case, two steps are required to locate the record using the secondary index;

In the first step, find the primary index search-key value from the secondary index...

Answer 8

Chapter 14, Problem 22E

Explanation of Solution

Given scenario:

In the given case, a relation which is stored in a B⁺-tree file...

Answer 9

Chapter 14, Problem 22E

Explanation of Solution

Given scenario:

In the given case, a relation which is stored in a B⁺-tree file...

Answer 10

Explanation of Solution

a)

If a node split takes place in B⁺-tree file organization:

Some records are moved to a new page...

Answer 11

Explanation of Solution

a)

If a node split takes place in B⁺-tree file organization:

Some records are moved to a new page...

Answer 12

Explanation of Solution

b)

While determining the cost of updating all the affected records in a secondary index, keep in mind that:

Each leaf page will contain a large number of records.

Also, each record will be in different locations on each secondary index...

Answer 13

Explanation of Solution

b)

While determining the cost of updating all the affected records in a secondary index, keep in mind that:

Each leaf page will contain a large number of records.

Also, each record will be in different locations on each secondary index...

Answer 14

Explanation of Solution

c)

With the use of search key of the file organization as a logical record identifier resolves the above issue as:

The value of primary-index search key attribute is...

Answer 15

Explanation of Solution

c)

With the use of search key of the file organization as a logical record identifier resolves the above issue as:

The value of primary-index search key attribute is...

Answer 16

Explanation of Solution

d)

Using the above logical records identifier also has some extra cost associated with it:

In the given case, two steps are required to locate the record using the secondary index;

In the first step, find the primary index search-key value from the secondary index...

Answer 17

Explanation of Solution

d)

Using the above logical records identifier also has some extra cost associated with it:

In the given case, two steps are required to locate the record using the secondary index;

In the first step, find the primary index search-key value from the secondary index...

Answer 18

Expert Solution & Answer

Answer 19

Expert Solution & Answer

Answer 20

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Answer 21

Ch. 14 - Prob. 1PE Ch. 14 - Prob. 2PE Ch. 14 - Prob. 3PE Ch. 14 - Prob. 4PE Ch. 14 - Prob. 5PE Ch. 14 - Prob. 7PE Ch. 14 - Prob. 8PE Ch. 14 - Prob. 9PE Ch. 14 - Prob. 10PE Ch. 14 - Prob. 11PE

Given scenario: In the given case, a relation which is stored in a B + -tree file...

Concept explainers

Explanation of Solution

Given scenario:

In the given case, a relation which is stored in a B⁺-tree file...

Explanation of Solution

a)

If a node split takes place in B⁺-tree file organization:

Some records are moved to a new page...

Explanation of Solution

b)

While determining the cost of updating all the affected records in a secondary index, keep in mind that:

Each leaf page will contain a large number of records.

Also, each record will be in different locations on each secondary index...

Explanation of Solution

c)

With the use of search key of the file organization as a logical record identifier resolves the above issue as:

The value of primary-index search key attribute is...

Explanation of Solution

d)

Using the above logical records identifier also has some extra cost associated with it:

In the given case, two steps are required to locate the record using the secondary index;

In the first step, find the primary index search-key value from the secondary index...

Want to see the full answer?

Chapter 14 Solutions

Given scenario: In the given case, a relation which is stored in a B + -tree file...

Concept explainers

Explanation of Solution

Given scenario: In the given case, a relation which is stored in a B+-tree file...

Explanation of Solution

a) If a node split takes place in B+-tree file organization: Some records are moved to a new page...

Explanation of Solution

b) While determining the cost of updating all the affected records in a secondary index, keep in mind that: Each leaf page will contain a large number of records. Also, each record will be in different locations on each secondary index...

Explanation of Solution

c) With the use of search key of the file organization as a logical record identifier resolves the above issue as: The value of primary-index search key attribute is...

Explanation of Solution

d) Using the above logical records identifier also has some extra cost associated with it: In the given case, two steps are required to locate the record using the secondary index; In the first step, find the primary index search-key value from the secondary index...

Want to see the full answer?

Chapter 14 Solutions

Given scenario:

In the given case, a relation which is stored in a B⁺-tree file...

a)

If a node split takes place in B⁺-tree file organization:

Some records are moved to a new page...

b)

While determining the cost of updating all the affected records in a secondary index, keep in mind that:

Each leaf page will contain a large number of records.

Also, each record will be in different locations on each secondary index...

c)

With the use of search key of the file organization as a logical record identifier resolves the above issue as:

The value of primary-index search key attribute is...

d)

Using the above logical records identifier also has some extra cost associated with it:

In the given case, two steps are required to locate the record using the secondary index;

In the first step, find the primary index search-key value from the secondary index...