Computed column in SQL: User can perform computations using SQL queries. A computed column does not occurs in the database however it can be computed by using data present in the existing columns. The computations can involve any arithmetic operator. Computations can computed by using the arithmetic operator such + (addition), - (subtraction), * (multiplication) and / (division). Then write the computation result into a place of a particular column name. Example: The example for using computed column in SQL is given below: SELECT STUDENT_ID, STUDENT_NAME, MAXIMUM_LIMIT – SCORE FROM STUDENT; The above query is used to display student id, student name and student credit from “STUDENT” table...

Question

Want to see the full answer?

Answer 1

Expert Solution & Answer

Chapter 4, Problem 5RQ

Explanation of Solution

Computed column in SQL:

User can perform computations using SQL queries.

A computed column does not occurs in the database however it can be computed by using data present in the existing columns.

The computations can involve any arithmetic operator.

Computations can computed by using the arithmetic operator such + (addition), - (subtraction), * (multiplication) and / (division).

Then write the computation result into a place of a particular column name.

Example:

The example for using computed column in SQL is given below:

SELECT STUDENT_ID, STUDENT_NAME, MAXIMUM_LIMIT – SCORE FROM STUDENT;

The above query is used to display student id, student name and student credit from “STUDENT” table...

Explanation of Solution

Naming the computed column in SQL:

User can assign a name to the computation by using below ways:

Name the computation with the word “AS”.

User desired name.

Example:

The example for naming the computed column in SQL is shown below:

SELECT STUDENT_ID, STUDENT_NAME, MAXIMUM_LIMIT – SCORE AS STUDENT_CREDIT FROM STUDENT;

The above query is used to display student id, student name and student credit from “STUDENT” table...

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Students have asked these similar questions

Need help answering these questions!1. Design a While loop that lets the user enter a number. The number should be multiplied by 10, and the result stored in a variable named product. The loop should iterate as long as the product contains a value less than 100. 2. Design a For loop that displays the following set of numbers: 0, 10, 20, 30, 40, 50 . . . 1000 3. Convert the While loop in the following code to a Do-While loop: Declare Integer x = 1 While x > 0 Display "Enter a number." Input x End While

Need help with these:Design a While loop that lets the user enter a number. The number should be multiplied by 10, and the result stored in a variable named product. The loop should iterate as long as the product contains a value less than 100. 2. Design a For loop that displays the following set of numbers: 0, 10, 20, 30, 40, 50 . . . 1000 3. Convert the While loop in the following code to a Do-While loop: Declare Integer x = 1 While x > 0 Display "Enter a number." Input x End While

Convert the While loop in the following code to a Do-While loop: Declare Integer x = 1 While x > 0 Display "Enter a number." Input x End While

Answer 2

Expert Solution & Answer

Chapter 4, Problem 5RQ

Explanation of Solution

Computed column in SQL:

User can perform computations using SQL queries.

A computed column does not occurs in the database however it can be computed by using data present in the existing columns.

The computations can involve any arithmetic operator.

Computations can computed by using the arithmetic operator such + (addition), - (subtraction), * (multiplication) and / (division).

Then write the computation result into a place of a particular column name.

Example:

The example for using computed column in SQL is given below:

SELECT STUDENT_ID, STUDENT_NAME, MAXIMUM_LIMIT – SCORE FROM STUDENT;

The above query is used to display student id, student name and student credit from “STUDENT” table...

Explanation of Solution

Naming the computed column in SQL:

User can assign a name to the computation by using below ways:

Name the computation with the word “AS”.

User desired name.

Example:

The example for naming the computed column in SQL is shown below:

SELECT STUDENT_ID, STUDENT_NAME, MAXIMUM_LIMIT – SCORE AS STUDENT_CREDIT FROM STUDENT;

The above query is used to display student id, student name and student credit from “STUDENT” table...

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 3

Expert Solution & Answer

Chapter 4, Problem 5RQ

Explanation of Solution

Computed column in SQL:

User can perform computations using SQL queries.

A computed column does not occurs in the database however it can be computed by using data present in the existing columns.

The computations can involve any arithmetic operator.

Computations can computed by using the arithmetic operator such + (addition), - (subtraction), * (multiplication) and / (division).

Then write the computation result into a place of a particular column name.

Example:

The example for using computed column in SQL is given below:

SELECT STUDENT_ID, STUDENT_NAME, MAXIMUM_LIMIT – SCORE FROM STUDENT;

The above query is used to display student id, student name and student credit from “STUDENT” table...

Explanation of Solution

Naming the computed column in SQL:

User can assign a name to the computation by using below ways:

Name the computation with the word “AS”.

User desired name.

Example:

The example for naming the computed column in SQL is shown below:

SELECT STUDENT_ID, STUDENT_NAME, MAXIMUM_LIMIT – SCORE AS STUDENT_CREDIT FROM STUDENT;

The above query is used to display student id, student name and student credit from “STUDENT” table...

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 4

Expert Solution & Answer

Chapter 4, Problem 5RQ

Explanation of Solution

Computed column in SQL:

User can perform computations using SQL queries.

A computed column does not occurs in the database however it can be computed by using data present in the existing columns.

The computations can involve any arithmetic operator.

Computations can computed by using the arithmetic operator such + (addition), - (subtraction), * (multiplication) and / (division).

Then write the computation result into a place of a particular column name.

Example:

The example for using computed column in SQL is given below:

SELECT STUDENT_ID, STUDENT_NAME, MAXIMUM_LIMIT – SCORE FROM STUDENT;

The above query is used to display student id, student name and student credit from “STUDENT” table...

Explanation of Solution

Naming the computed column in SQL:

User can assign a name to the computation by using below ways:

Name the computation with the word “AS”.

User desired name.

Example:

The example for naming the computed column in SQL is shown below:

SELECT STUDENT_ID, STUDENT_NAME, MAXIMUM_LIMIT – SCORE AS STUDENT_CREDIT FROM STUDENT;

The above query is used to display student id, student name and student credit from “STUDENT” table...

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 4, Problem 5RQ

Explanation of Solution

Computed column in SQL:

User can perform computations using SQL queries.

A computed column does not occurs in the database however it can be computed by using data present in the existing columns.

The computations can involve any arithmetic operator.

Computations can computed by using the arithmetic operator such + (addition), - (subtraction), * (multiplication) and / (division).

Then write the computation result into a place of a particular column name.

Example:

The example for using computed column in SQL is given below:

SELECT STUDENT_ID, STUDENT_NAME, MAXIMUM_LIMIT – SCORE FROM STUDENT;

The above query is used to display student id, student name and student credit from “STUDENT” table...

Explanation of Solution

Naming the computed column in SQL:

User can assign a name to the computation by using below ways:

Name the computation with the word “AS”.

User desired name.

Example:

The example for naming the computed column in SQL is shown below:

SELECT STUDENT_ID, STUDENT_NAME, MAXIMUM_LIMIT – SCORE AS STUDENT_CREDIT FROM STUDENT;

The above query is used to display student id, student name and student credit from “STUDENT” table...

Answer 8

Chapter 4, Problem 5RQ

Explanation of Solution

Computed column in SQL:

User can perform computations using SQL queries.

A computed column does not occurs in the database however it can be computed by using data present in the existing columns.

The computations can involve any arithmetic operator.

Computations can computed by using the arithmetic operator such + (addition), - (subtraction), * (multiplication) and / (division).

Then write the computation result into a place of a particular column name.

Example:

The example for using computed column in SQL is given below:

SELECT STUDENT_ID, STUDENT_NAME, MAXIMUM_LIMIT – SCORE FROM STUDENT;

The above query is used to display student id, student name and student credit from “STUDENT” table...

Answer 9

Chapter 4, Problem 5RQ

Explanation of Solution

Computed column in SQL:

User can perform computations using SQL queries.

A computed column does not occurs in the database however it can be computed by using data present in the existing columns.

The computations can involve any arithmetic operator.

Computations can computed by using the arithmetic operator such + (addition), - (subtraction), * (multiplication) and / (division).

Then write the computation result into a place of a particular column name.

Example:

The example for using computed column in SQL is given below:

SELECT STUDENT_ID, STUDENT_NAME, MAXIMUM_LIMIT – SCORE FROM STUDENT;

The above query is used to display student id, student name and student credit from “STUDENT” table...

Answer 10

Explanation of Solution

Naming the computed column in SQL:

User can assign a name to the computation by using below ways:

Name the computation with the word “AS”.

User desired name.

Example:

The example for naming the computed column in SQL is shown below:

SELECT STUDENT_ID, STUDENT_NAME, MAXIMUM_LIMIT – SCORE AS STUDENT_CREDIT FROM STUDENT;

The above query is used to display student id, student name and student credit from “STUDENT” table...

Answer 11

Explanation of Solution

Naming the computed column in SQL:

User can assign a name to the computation by using below ways:

Name the computation with the word “AS”.

User desired name.

Example:

The example for naming the computed column in SQL is shown below:

SELECT STUDENT_ID, STUDENT_NAME, MAXIMUM_LIMIT – SCORE AS STUDENT_CREDIT FROM STUDENT;

The above query is used to display student id, student name and student credit from “STUDENT” table...

Answer 12

Expert Solution & Answer

Answer 13

Expert Solution & Answer

Answer 14

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 15

Ch. 4 - Prob. 1RQ Ch. 4 - Prob. 2RQ Ch. 4 - Prob. 3RQ Ch. 4 - Prob. 4RQ Ch. 4 - Prob. 5RQ Ch. 4 - In which clause would you use a wildcard in a...Ch. 4 - Prob. 7RQ Ch. 4 - How do you determine whether a column contains one...Ch. 4 - Prob. 9RQ Ch. 4 - Prob. 10RQ

Concept explainers

Explanation of Solution

Explanation of Solution

Want to see the full answer?

Chapter 4 Solutions