OLAP v/s OLTP

SN	Data Warehouse (OLAP)	Operational Database(OLTP)
1	This involves historical processing of information.	This involves day to day processing.
2	OLAP systems are used by knowledge workers such as executive, manager and analyst.	OLTP system are used by clerk, DBA, or database professionals.
3	This is used to analysis the business.	This is used to run the business.
4	It focuses on Information out.	It focuses on Data in.
5	This is based on Star Schema, Snowflake Schema and Fact Constellation Schema.	This is based on Entity Relationship Model.
6	It focuses on Information out.	This is application oriented.
7	This contains historical data.	This contains current data.
8	This provides summarized and consolidated data.	This provide primitive and highly detailed data.
9	This provide summarized and multidimensional view of data.	This provides detailed and flat relational view of data.
10	The number or users are in Hundreds.	The number of users are in thousands.
11	The number of records accessed are in millions.	The number of records accessed are in tens.
12	The database size is from 100GB to TB	The database size is from 100 MB to GB.
13	This are highly flexible.	This provide high performance.