SQL
What is SQL? SQL (STRUCTURED QUERY LANGUAGE) is a programming language used for managing and manipulating data in a relational database.It is used to insert,update,retrieve, and delete data stored in a database. SQL is widely used for managing data in large organizations as well as for building web applications and mobile apps that rely on databases. SQL is a standard language, which means that the syntax and basic functionality is consistent across different DBMS. SQL has a simple syntax that makes it easy to learn and use.what data you want to modify or retrieve and database management system takes care of executing the necessary operations to achieve that. Why SQL? It is a standard language that is supported by many relational database management systems, including oracle,Microsoft SQL server,MYSQL,and PostgreSQL. Here are some common SQL queries: SELECT - retrieves data from one or more tables in a database. INSERT - adds new data into a table. UPDATE - modifies ...