SQL: SQL means Structured Query Language. It allows user to access and manipulate databases. It is a language used to create database applications that necessity to query relational databases. This language is used for following ways, Add data to a database. Modify present data in the database. Remove data from the database.

Question

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Answer 1

Question

Chapter 4, Problem 1RQ

Program Plan Intro

SQL:

SQL means Structured Query Language.

It allows user to access and manipulate databases.

It is a language used to create database applications that necessity to query relational databases.

This language is used for following ways,

Add data to a database.

Modify present data in the database.

Remove data from the database.

Expert Solution & Answer

Explanation of Solution

Basic form of the SQL SELECT command:

The basic form of the SQL SELECT command is given below:

Basic form: SELECT-FROM-WHERE

Explanation:

The SQL SELECT command is used to retrieve given values in a database.
From the given basic form,
- After user type the word “SELECT”, user list the columns that they want to include in the query results.
- Next, user type the word “FROM” followed by table name that have the data user need to query.
- Finally, user can list conditions that apply to the data they want to retrieve after the word “WHERE”.

Example:

The example for the SQL SELECT command is given below:

SELECT * FROM Students WHERE Subject = 'Mathematics';

The above query is used to selects all the students from the subject “Mathematics” in the “Students” table.

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Answer 2

Question

Chapter 4, Problem 1RQ

Program Plan Intro

SQL:

SQL means Structured Query Language.

It allows user to access and manipulate databases.

It is a language used to create database applications that necessity to query relational databases.

This language is used for following ways,

Add data to a database.

Modify present data in the database.

Remove data from the database.

Expert Solution & Answer

Explanation of Solution

Basic form of the SQL SELECT command:

The basic form of the SQL SELECT command is given below:

Basic form: SELECT-FROM-WHERE

Explanation:

The SQL SELECT command is used to retrieve given values in a database.
From the given basic form,
- After user type the word “SELECT”, user list the columns that they want to include in the query results.
- Next, user type the word “FROM” followed by table name that have the data user need to query.
- Finally, user can list conditions that apply to the data they want to retrieve after the word “WHERE”.

Example:

The example for the SQL SELECT command is given below:

SELECT * FROM Students WHERE Subject = 'Mathematics';

The above query is used to selects all the students from the subject “Mathematics” in the “Students” table.

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 3

Question

Chapter 4, Problem 1RQ

Program Plan Intro

SQL:

SQL means Structured Query Language.

It allows user to access and manipulate databases.

It is a language used to create database applications that necessity to query relational databases.

This language is used for following ways,

Add data to a database.

Modify present data in the database.

Remove data from the database.

Expert Solution & Answer

Explanation of Solution

Basic form of the SQL SELECT command:

The basic form of the SQL SELECT command is given below:

Basic form: SELECT-FROM-WHERE

Explanation:

The SQL SELECT command is used to retrieve given values in a database.
From the given basic form,
- After user type the word “SELECT”, user list the columns that they want to include in the query results.
- Next, user type the word “FROM” followed by table name that have the data user need to query.
- Finally, user can list conditions that apply to the data they want to retrieve after the word “WHERE”.

Example:

The example for the SQL SELECT command is given below:

SELECT * FROM Students WHERE Subject = 'Mathematics';

The above query is used to selects all the students from the subject “Mathematics” in the “Students” table.

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 4

Question

Chapter 4, Problem 1RQ

Program Plan Intro

SQL:

SQL means Structured Query Language.

It allows user to access and manipulate databases.

It is a language used to create database applications that necessity to query relational databases.

This language is used for following ways,

Add data to a database.

Modify present data in the database.

Remove data from the database.

Expert Solution & Answer

Explanation of Solution

Basic form of the SQL SELECT command:

The basic form of the SQL SELECT command is given below:

Basic form: SELECT-FROM-WHERE

Explanation:

The SQL SELECT command is used to retrieve given values in a database.
From the given basic form,
- After user type the word “SELECT”, user list the columns that they want to include in the query results.
- Next, user type the word “FROM” followed by table name that have the data user need to query.
- Finally, user can list conditions that apply to the data they want to retrieve after the word “WHERE”.

Example:

The example for the SQL SELECT command is given below:

SELECT * FROM Students WHERE Subject = 'Mathematics';

The above query is used to selects all the students from the subject “Mathematics” in the “Students” table.

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 5

Chapter 4, Problem 1RQ

Program Plan Intro

SQL:

SQL means Structured Query Language.

It allows user to access and manipulate databases.

It is a language used to create database applications that necessity to query relational databases.

This language is used for following ways,

Add data to a database.

Modify present data in the database.

Remove data from the database.

Expert Solution & Answer

Explanation of Solution

Basic form of the SQL SELECT command:

The basic form of the SQL SELECT command is given below:

Basic form: SELECT-FROM-WHERE

Explanation:

The SQL SELECT command is used to retrieve given values in a database.
From the given basic form,
- After user type the word “SELECT”, user list the columns that they want to include in the query results.
- Next, user type the word “FROM” followed by table name that have the data user need to query.
- Finally, user can list conditions that apply to the data they want to retrieve after the word “WHERE”.

Example:

The example for the SQL SELECT command is given below:

SELECT * FROM Students WHERE Subject = 'Mathematics';

The above query is used to selects all the students from the subject “Mathematics” in the “Students” table.

Answer 6

Chapter 4, Problem 1RQ

Program Plan Intro

SQL:

SQL means Structured Query Language.

It allows user to access and manipulate databases.

It is a language used to create database applications that necessity to query relational databases.

This language is used for following ways,

Add data to a database.

Modify present data in the database.

Remove data from the database.

Expert Solution & Answer

Explanation of Solution

Basic form of the SQL SELECT command:

The basic form of the SQL SELECT command is given below:

Basic form: SELECT-FROM-WHERE

Explanation:

The SQL SELECT command is used to retrieve given values in a database.
From the given basic form,
- After user type the word “SELECT”, user list the columns that they want to include in the query results.
- Next, user type the word “FROM” followed by table name that have the data user need to query.
- Finally, user can list conditions that apply to the data they want to retrieve after the word “WHERE”.

Example:

The example for the SQL SELECT command is given below:

SELECT * FROM Students WHERE Subject = 'Mathematics';

The above query is used to selects all the students from the subject “Mathematics” in the “Students” table.

Answer 7

Chapter 4, Problem 1RQ

Program Plan Intro

SQL:

SQL means Structured Query Language.

It allows user to access and manipulate databases.

It is a language used to create database applications that necessity to query relational databases.

This language is used for following ways,

Add data to a database.

Modify present data in the database.

Remove data from the database.

Answer 8

Expert Solution & Answer

Explanation of Solution

Basic form of the SQL SELECT command:

The basic form of the SQL SELECT command is given below:

Basic form: SELECT-FROM-WHERE

Explanation:

The SQL SELECT command is used to retrieve given values in a database.
From the given basic form,
- After user type the word “SELECT”, user list the columns that they want to include in the query results.
- Next, user type the word “FROM” followed by table name that have the data user need to query.
- Finally, user can list conditions that apply to the data they want to retrieve after the word “WHERE”.

Example:

The example for the SQL SELECT command is given below:

SELECT * FROM Students WHERE Subject = 'Mathematics';

The above query is used to selects all the students from the subject “Mathematics” in the “Students” table.