query_language

Database: Collection of data in a format (digital) that can be easily accessed.
DBMS: Database Management System is a application system used to manage the Databases.
User basically access DB through DBMS. User => DBMS => DB
Query Language is used in DBMS to manage DB.
Types od Databases
- Relational DB
  - Data stored in tables, understands relation, also called RDBMS.
  - MySQL, MS SQL Server, ORACLE, PostgreSQL
- Non-Relational DB
  - Data not stored in tables, also called NoSQL
  - mongoDB
SQL only works on Relational Database

abs-sayem / query_language