SQL (Structured Query Language) is accepted interactive and programming language for getting information from and updating a database. Although SQL is both an ANSI and an ISO standard, many database products support SQL with proprietary development to the standard language. Queries take the form of a command language that lets you select, insert, update, treasure trove out the location of data, and so forth. There is also a programming interface.
A database administrator, generally known just by the acronym DBA, is a role usually within the Information Technology department, charged with the creation, maintenance, backups, querying, tuning, user rights assignment and security of an organization's databases. The role requires professional training and expertise in the specific RDBMS used by the organization, in extension to other skills such as analytical thinking and ability to concentrate on tasks, as well experiance working with databases in the real world. The DBA role is a critical member of the IT team.
SQL Server is a comparative database management system (RDBMS) from Microsoft that's designed for the enterprise environment. SQL Server runs on T-SQL (Transact -SQL), a set of programming extensions from Sybase and Microsoft that add several features to definitive SQL, including transaction control, exception and error handling, row processing, and declared variables.
MySQL, pronounced either "My S-Q- L" or "My Sequel," is an open source relational database management system. It is based on the arrangement query language (SQL), which is used for adding, removing, and modifying information in the database. Standard SQL responsibility, such as ADD, DROP, INSERT, and UPDATE can be used with MySQL.