What is the difference between a database and a data warehouse?

Question

What is the difference between a database and a data warehouse?

Aren\'t they the same thing, or at least written in the same thing (ie. Oracle RDBMS)?

Answer 1

DataBase :- OLTP(online transaction process)

• It is current data, up-to-date detailed data, flat relational isolated data.
• Entity relationship is used to design the database
• DB size 100MB-GB simple transaction or quires

Datawarehouse

• OLAP(Online Analytical process)
• It is about Historical data Star schema,snow flexed schema and galaxy
• schema is used to design the data warehouse
• DB size 100GB-TB Improved query performance foundation for DATA MINING DATA VISUALIZATION
• Enables users to gain a deeper understanding and knowledge about various aspects of their corporate data through fast, consistent, interactive access to a wide variety of possible views of the data