Difference between “CHAR” and “VARCHAR”: CHAR VARCHAR “CHAR” is fixed length data type. “VARCHAR” is the variable length data type. The storage size is equal to the maximum size of the column. The storage size is equal to the actual length of the data. The keyword “CHAR” is used to declare the variable...

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Answer 1

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Chapter 3, Problem 12RQ

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Difference between “CHAR” and “VARCHAR”:

CHAR VARCHAR
“CHAR” is fixed length data type. “VARCHAR” is the variable length data type.
The storage size is equal to the maximum size of the column. The storage size is equal to the actual length of the data.
The keyword “CHAR” is used to declare the variable...

Explanation of Solution

Appropriate place to use “CHAR” data type:

The “CHAR” data type is a good choice when storing the initial of the name as it takes up the same amount of bytes. It is also suitable to specify the name of the individual as it hold only the list of characters.

Example:

CREATE TABLE EMPLOYEE (

EMP_NU...

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URL:

The following given URL provides the examples as referen...

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Answer 2

Expert Solution & Answer

Chapter 3, Problem 12RQ

Explanation of Solution

Difference between “CHAR” and “VARCHAR”:

CHAR VARCHAR
“CHAR” is fixed length data type. “VARCHAR” is the variable length data type.
The storage size is equal to the maximum size of the column. The storage size is equal to the actual length of the data.
The keyword “CHAR” is used to declare the variable...

Explanation of Solution

Appropriate place to use “CHAR” data type:

The “CHAR” data type is a good choice when storing the initial of the name as it takes up the same amount of bytes. It is also suitable to specify the name of the individual as it hold only the list of characters.

Example:

CREATE TABLE EMPLOYEE (

EMP_NU...

Explanation of Solution

URL:

The following given URL provides the examples as referen...

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 3

Expert Solution & Answer

Chapter 3, Problem 12RQ

Explanation of Solution

Difference between “CHAR” and “VARCHAR”:

CHAR VARCHAR
“CHAR” is fixed length data type. “VARCHAR” is the variable length data type.
The storage size is equal to the maximum size of the column. The storage size is equal to the actual length of the data.
The keyword “CHAR” is used to declare the variable...

Explanation of Solution

Appropriate place to use “CHAR” data type:

The “CHAR” data type is a good choice when storing the initial of the name as it takes up the same amount of bytes. It is also suitable to specify the name of the individual as it hold only the list of characters.

Example:

CREATE TABLE EMPLOYEE (

EMP_NU...

Explanation of Solution

URL:

The following given URL provides the examples as referen...

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 4

Expert Solution & Answer

Chapter 3, Problem 12RQ

Explanation of Solution

Difference between “CHAR” and “VARCHAR”:

CHAR VARCHAR
“CHAR” is fixed length data type. “VARCHAR” is the variable length data type.
The storage size is equal to the maximum size of the column. The storage size is equal to the actual length of the data.
The keyword “CHAR” is used to declare the variable...

Explanation of Solution

Appropriate place to use “CHAR” data type:

The “CHAR” data type is a good choice when storing the initial of the name as it takes up the same amount of bytes. It is also suitable to specify the name of the individual as it hold only the list of characters.

Example:

CREATE TABLE EMPLOYEE (

EMP_NU...

Explanation of Solution

URL:

The following given URL provides the examples as referen...

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 5

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Answer 6

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Answer 7

Chapter 3, Problem 12RQ

Explanation of Solution

Difference between “CHAR” and “VARCHAR”:

CHAR VARCHAR
“CHAR” is fixed length data type. “VARCHAR” is the variable length data type.
The storage size is equal to the maximum size of the column. The storage size is equal to the actual length of the data.
The keyword “CHAR” is used to declare the variable...

Explanation of Solution

Appropriate place to use “CHAR” data type:

The “CHAR” data type is a good choice when storing the initial of the name as it takes up the same amount of bytes. It is also suitable to specify the name of the individual as it hold only the list of characters.

Example:

CREATE TABLE EMPLOYEE (

EMP_NU...

Explanation of Solution

URL:

The following given URL provides the examples as referen...

Answer 8

Chapter 3, Problem 12RQ

Explanation of Solution

Difference between “CHAR” and “VARCHAR”:

CHAR VARCHAR
“CHAR” is fixed length data type. “VARCHAR” is the variable length data type.
The storage size is equal to the maximum size of the column. The storage size is equal to the actual length of the data.
The keyword “CHAR” is used to declare the variable...

Answer 9

Chapter 3, Problem 12RQ

Explanation of Solution

Difference between “CHAR” and “VARCHAR”:

CHAR VARCHAR
“CHAR” is fixed length data type. “VARCHAR” is the variable length data type.
The storage size is equal to the maximum size of the column. The storage size is equal to the actual length of the data.
The keyword “CHAR” is used to declare the variable...

Answer 10

Explanation of Solution

Appropriate place to use “CHAR” data type:

The “CHAR” data type is a good choice when storing the initial of the name as it takes up the same amount of bytes. It is also suitable to specify the name of the individual as it hold only the list of characters.

Example:

CREATE TABLE EMPLOYEE (

EMP_NU...

Answer 11

Explanation of Solution

Appropriate place to use “CHAR” data type:

The “CHAR” data type is a good choice when storing the initial of the name as it takes up the same amount of bytes. It is also suitable to specify the name of the individual as it hold only the list of characters.

Example:

CREATE TABLE EMPLOYEE (

EMP_NU...

Answer 12

Explanation of Solution

URL:

The following given URL provides the examples as referen...

Answer 13

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URL:

The following given URL provides the examples as referen...

Answer 14

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Answer 15

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Answer 16

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Answer 17

Ch. 3 - Prob. 1RQ Ch. 3 - How do you delete a table using SQL?Ch. 3 - Prob. 3RQ Ch. 3 - Prob. 4RQ Ch. 3 - Prob. 5RQ Ch. 3 - Prob. 6RQ Ch. 3 - Prob. 7RQ Ch. 3 - Prob. 8RQ Ch. 3 - Prob. 9RQ Ch. 3 - Prob. 10RQ

Solution Summary: The author explains the difference between "CHAR" and "VARCHAR". The storage size is equal to the maximum size of the column.

Explanation of Solution

Explanation of Solution

Explanation of Solution

URL:

The following given URL provides the examples as referen...

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Chapter 3 Solutions

CHAR	VARCHAR
“CHAR” is fixed length data type.	“VARCHAR” is the variable length data type.
The storage size is equal to the maximum size of the column.	The storage size is equal to the actual length of the data.
The keyword “CHAR” is used to declare the variable...

Solution Summary: The author explains the difference between "CHAR" and "VARCHAR". The storage size is equal to the maximum size of the column.

Explanation of Solution

Explanation of Solution

Explanation of Solution

URL: The following given URL provides the examples as referen...

Want to see the full answer?

Chapter 3 Solutions

URL:

The following given URL provides the examples as referen...