What are the differences between SQL, MySQL, and SQL Server?

SQL

MySQL

SQL Server

SQL or Structured Query Language is useful for managing our relational databases. It is used to query and operate the database.

MySQL is the popular database management system used for managing the relational database. It is a fast, scalable, and easy-to-use database.

SQL Server is an RDBMS database system mainly developed for the Windows system to store, retrieve, and access data requested by the developer.

SQL first appeared in 1974.

MySQL first appeared on May 23, 1995.

SQL Server first appeared on April 24, 1989.

SQL was developed by IBM Corporation.

MySQL was developed by Oracle Corporation.

SQL Server was developed by Microsoft Company.

SQL is a query language for managing databases.

MySQL is database software that uses SQL language to conduct with the database.

SQL Server is also a software that uses SQL language to conduct with the database.

SQL has no variables.

MySQL can use variables constraints and data types.

SQL Server can use variables constraints and data types.

SQL is a programming language, so that it does not get any updates. Its commands are always fixed and remain the same.

MySQL is software, so it gets frequent updation.

SQL Server is also software, so it gets frequent updation.