OLTP vs OLAP
Difference between OLTP and OLAP Datbases. Difference OLTP System OLAP System Source of data Operational data; OLTPs are the original source of the data. Consolidation data; OLAP data comes from the various OLTP Databases Purpose of data To control and run fundamental business tasks To help with planning, problem solving, and decision support What the data Reveals a snapshot of ongoing business processes Multi-dimensional views of various kinds of business activities Inserts and Updates Short and fast inserts and updates initiated by end users Periodic long-running batch jobs refresh the data Queries Relatively standardized and simple queries Returning relatively few records Often complex queries involving aggregations Processing Speed Typically very fast Depends on the amount of data involved; batch data refreshes and complex queries may take