Partial aggregation The partial aggregation is used for running the aggregate’s state transition function over different subsets of input data. It then combines the state values from those subsets for producing the same state value. Partial aggregation can be used for most of the aggregate functions such as COUNT, AVG, SUM and so on.

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Answer 1

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Chapter 22, Problem 2PE

Program Plan Intro

Partial aggregation

The partial aggregation is used for running the aggregate’s state transition function over different subsets of input data.

It then combines the state values from those subsets for producing the same state value.

Partial aggregation can be used for most of the aggregate functions such as COUNT, AVG, SUM and so on.

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Answer 2

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Chapter 22, Problem 2PE

Program Plan Intro

Partial aggregation

The partial aggregation is used for running the aggregate’s state transition function over different subsets of input data.

It then combines the state values from those subsets for producing the same state value.

Partial aggregation can be used for most of the aggregate functions such as COUNT, AVG, SUM and so on.

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Answer 3

Question

Chapter 22, Problem 2PE

Program Plan Intro

Partial aggregation

The partial aggregation is used for running the aggregate’s state transition function over different subsets of input data.

It then combines the state values from those subsets for producing the same state value.

Partial aggregation can be used for most of the aggregate functions such as COUNT, AVG, SUM and so on.

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Answer 4

Question

Chapter 22, Problem 2PE

Program Plan Intro

Partial aggregation

The partial aggregation is used for running the aggregate’s state transition function over different subsets of input data.

It then combines the state values from those subsets for producing the same state value.

Partial aggregation can be used for most of the aggregate functions such as COUNT, AVG, SUM and so on.

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Answer 5

Chapter 22, Problem 2PE

Program Plan Intro

Partial aggregation

The partial aggregation is used for running the aggregate’s state transition function over different subsets of input data.

It then combines the state values from those subsets for producing the same state value.

Partial aggregation can be used for most of the aggregate functions such as COUNT, AVG, SUM and so on.

Answer 6

Chapter 22, Problem 2PE

Program Plan Intro

Partial aggregation

The partial aggregation is used for running the aggregate’s state transition function over different subsets of input data.

It then combines the state values from those subsets for producing the same state value.

Partial aggregation can be used for most of the aggregate functions such as COUNT, AVG, SUM and so on.

Answer 7

Chapter 22, Problem 2PE

Program Plan Intro

Partial aggregation

The partial aggregation is used for running the aggregate’s state transition function over different subsets of input data.

It then combines the state values from those subsets for producing the same state value.

Partial aggregation can be used for most of the aggregate functions such as COUNT, AVG, SUM and so on.

Answer 8

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Answer 9

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Answer 11

Ch. 22 - Prob. 1PE Ch. 22 - Prob. 2PE Ch. 22 - Prob. 3PE Ch. 22 - Prob. 4PE Ch. 22 - Prob. 6PE Ch. 22 - Prob. 7PE Ch. 22 - Prob. 8PE Ch. 22 - Prob. 9PE Ch. 22 - Prob. 10PE Ch. 22 - Prob. 13E

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Chapter 22 Solutions