Introduction to SQL

What is SQL?

SQL, an acronym for Structured Query Language, is an ANSI (American National Standard Institute) standard computer language. SQL statements are used for accessing and manipulating data from these database systems. It works with RDBMS like Oracle, Sybase, Microsoft SQL Server, Access, Ingress etc.

SQL:

• Run queries against a database.

• retrieves data from database.

• inserts new records into a database.

• updates records in a database.

• deletes records from a database.

• creates/deletes tables in a database.

• alters the table structure in a database.

• is easy to learn and understand.