# Holos (software)

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{{About|the [OLAP](/source/OLAP) product|Ukrainian political party|Holos (political party)}}
{{Short description|Online Analytical Processing product}}
 
'''Holos''' was an influential [OLAP](/source/OLAP) (Online Analytical Processing) product of the 1990s. Developed by Holistic Systems in 1987, the product remained in use until around 2004.
The core of the Holos Server was a [business intelligence](/source/business_intelligence) (BI) [virtual machine](/source/virtual_machine).<ref>{{Cite book |last1=Gray |first1=Paul |url=https://books.google.com/books?id=lqEZAQAAIAAJ&q=%2522Holos%2522+OLAP |title=Decision Support in the Data Warehouse |last2=Watson |first2=Hugh J. |date=1998 |publisher=Prentice Hall PTR |isbn=978-0-13-796079-8 |pages=360–61 |language=en}}</ref>  The Holos Language was a very broad language in that it covered a wide range of statements and concepts, including the reporting system, business rules, OLAP data, SQL data (using the [Embedded SQL](/source/Embedded_SQL) syntax within the hosting HL), device properties, analysis, forecasting, and [data mining](/source/data_mining). Holos Server provided an array of different, but compatible, storage mechanisms for its multi-cube architecture: memory, disk, SQL. It was therefore the first product to provide "hybrid OLAP" ([HOLAP](/source/HOLAP)).  The Holos Client was both a design and delivery vehicle, and this made it quite large. Around about 2000, the Holos Language was made object-oriented (HL++) with a view to allowing the replacement of the Holos Client with a custom Java or VB product. However, the company were never sold on this, and so the project was abandoned. Before its demise, the Holos Server product ran under [Windows NT](/source/Windows_NT) (Intel and Alpha), VMS (VAX and Alpha), plus about 10 flavors of UNIX, and accessed over half-a-dozen different SQL databases. It was also ported to several different locales, including Japanese.

==Company==
{{main|Crystal Decisions}}
Holistic Systems was purchased by the hardware company [Seagate Technology](/source/Seagate_Technology) in 1996.<ref>{{Cite news |date=1996-07-30 |title=SEAGATE SOFTWARE SHIPS HOLOS 5.0 |language=en-US |url=https://techmonitor.ai/technology/seagate_software_ships_holos_50 |access-date=2022-05-13}}</ref> Along with other companies such as Crystal Services, it was used to create a new subsidiary company called [Seagate Software](/source/Seagate_Software).<ref>{{Cite news |date=1997-12-02 |title=SEAGATE INTEGRATES HOLOS OLAP TECHNOLOGY WITH CRYSTAL INFO |language=en-US |url=https://techmonitor.ai/technology/seagate_integrates_holos_olap_technology_with_crystal_info_1 |access-date=2022-05-13}}</ref> Only Holistic and Crystal remained, and Seagate Software was renamed to [Crystal Decisions](/source/Crystal_Decisions). Holistic and Crystal had very different sales models. The average sale for the Holos Product in the United States was in excess of $250,000 and was sold primarily to [Fortune 500](/source/Fortune_500) companies by a direct sales force. The main Holos development team finally started to leave around 2000, and Crystal Decisions was finally taken over by [Business Objects](/source/Business_Objects_(company)) in 2004. Following the takeover, support for Holos was outsourced to Raspberry Software, which was set up by former employees of Crystal Decisions.

==References==
{{Reflist}}

Category:Data management
Category:Online analytical processing

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Adapted from the Wikipedia article [Holos (software)](https://en.wikipedia.org/wiki/Holos_(software)) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Holos_(software)?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.