What is SQL and why is it used?

SQL is a computer language designed for managing data in relational databases. It is used to create, retrieve, update, and delete data in a database. SQL is also used to create and manage tables and indexes in a database.

Background on SQL Databases

A SQL database is a collection of data that is organized in tables. It is easy to access and use the data in a SQL database because the database is designed for managing and retrieving data.

What kinds of data is SQL used for?

SQL is used for managing data in relational databases. This data can include information about customers, products, orders, and other business data.

Removing Records from SQL Databases

To delete a record from a database in SQL, you can use the DELETE statement.

For example, the following SQL statement would delete the record with the id value of 1 from the employees table:

DELETE FROM employees WHERE id = 1;
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