To maintain the result of union and set difference operation: The output of two query expressions can be combined into a single result using “UNION” operator. The query expressions are independently executed and the resultant output is combined into a single result table...

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Answer 1

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Chapter 16, Problem 23E

a.

Explanation of Solution

To maintain the result of union and set difference operation:

The output of two query expressions can be combined into a single result using “UNION” operator.

The query expressions are independently executed and the resultant output is combined into a single result table...

b.

Explanation of Solution

To maintain the result of left outer join operation:

The result of query expression is calculated using “INTERSECT” operator...

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Answer 2

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Chapter 16, Problem 23E

a.

Explanation of Solution

To maintain the result of union and set difference operation:

The output of two query expressions can be combined into a single result using “UNION” operator.

The query expressions are independently executed and the resultant output is combined into a single result table...

b.

Explanation of Solution

To maintain the result of left outer join operation:

The result of query expression is calculated using “INTERSECT” operator...

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 3

Expert Solution & Answer

Chapter 16, Problem 23E

a.

Explanation of Solution

To maintain the result of union and set difference operation:

The output of two query expressions can be combined into a single result using “UNION” operator.

The query expressions are independently executed and the resultant output is combined into a single result table...

b.

Explanation of Solution

To maintain the result of left outer join operation:

The result of query expression is calculated using “INTERSECT” operator...

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 4

Expert Solution & Answer

Chapter 16, Problem 23E

a.

Explanation of Solution

To maintain the result of union and set difference operation:

The output of two query expressions can be combined into a single result using “UNION” operator.

The query expressions are independently executed and the resultant output is combined into a single result table...

b.

Explanation of Solution

To maintain the result of left outer join operation:

The result of query expression is calculated using “INTERSECT” operator...

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 5

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Answer 6

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Answer 7

Chapter 16, Problem 23E

a.

Explanation of Solution

To maintain the result of union and set difference operation:

The output of two query expressions can be combined into a single result using “UNION” operator.

The query expressions are independently executed and the resultant output is combined into a single result table...

b.

Explanation of Solution

To maintain the result of left outer join operation:

The result of query expression is calculated using “INTERSECT” operator...

Answer 8

Chapter 16, Problem 23E

a.

Explanation of Solution

To maintain the result of union and set difference operation:

The output of two query expressions can be combined into a single result using “UNION” operator.

The query expressions are independently executed and the resultant output is combined into a single result table...

Answer 9

Chapter 16, Problem 23E

a.

Explanation of Solution

To maintain the result of union and set difference operation:

The output of two query expressions can be combined into a single result using “UNION” operator.

The query expressions are independently executed and the resultant output is combined into a single result table...

Answer 10

b.

Explanation of Solution

To maintain the result of left outer join operation:

The result of query expression is calculated using “INTERSECT” operator...

Answer 11

b.

Explanation of Solution

To maintain the result of left outer join operation:

The result of query expression is calculated using “INTERSECT” operator...

Answer 12

Expert Solution & Answer

Answer 13

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Answer 14

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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

To maintain the result of union and set difference operation: The output of two query expressions can be combined into a single result using “UNION” operator. The query expressions are independently executed and the resultant output is combined into a single result table...

Concept explainers

Videos

Explanation of Solution

To maintain the result of union and set difference operation:

The output of two query expressions can be combined into a single result using “UNION” operator.

The query expressions are independently executed and the resultant output is combined into a single result table...

Explanation of Solution

To maintain the result of left outer join operation:

The result of query expression is calculated using “INTERSECT” operator...

Want to see the full answer?

Chapter 16 Solutions

To maintain the result of union and set difference operation: The output of two query expressions can be combined into a single result using “UNION” operator. The query expressions are independently executed and the resultant output is combined into a single result table...

Concept explainers

Videos

Explanation of Solution

To maintain the result of union and set difference operation: The output of two query expressions can be combined into a single result using “UNION” operator. The query expressions are independently executed and the resultant output is combined into a single result table...

Explanation of Solution

To maintain the result of left outer join operation: The result of query expression is calculated using “INTERSECT” operator...

Want to see the full answer?

Chapter 16 Solutions

To maintain the result of union and set difference operation:

The output of two query expressions can be combined into a single result using “UNION” operator.

The query expressions are independently executed and the resultant output is combined into a single result table...

To maintain the result of left outer join operation:

The result of query expression is calculated using “INTERSECT” operator...