Editing Data warehouse (section)

==Evolution in organization use==
These terms refer to the level of sophistication of a data warehouse:

; Offline operational data warehouse: Data warehouses in this stage of evolution are updated on a regular time cycle (usually daily, weekly or monthly) from the operational systems and the data is stored in an integrated reporting-oriented database.
; Offline data warehouse: Data warehouses at this stage are updated from data in the operational systems on a regular basis and the data warehouse data are stored in a data structure designed to facilitate reporting.
; On-time data warehouse: Online Integrated Data Warehousing represent the real-time Data warehouses stage data in the warehouse is updated for every transaction performed on the source data
; Integrated data warehouse: These data warehouses assemble data from different areas of business, so users can look up the information they need across other systems.<ref>{{cite web |url=http://www.tech-faq.com/data-warehouse.html |title=Data Warehouse |date=6 April 2019 }}</ref>