• sql programming language is used to interact with relational Database

What is an database

• database is way to store the data in a format which makes its easily accessible

what is a query

• query is a command to access the particular information from the database

CRUD

• create
• read
• update
• delete

why can’t we use the file for data storage , main disadvantage of this is we can’t fletch the data easily

DBMS

• Database management system
• we give prompt to the dbms and dbms apply this to the database and fletch the data
• ex MYsql and PostgreSQL, ms sql

Relational DBMS