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Storage Space Requirements in OLAP and OLTP [message #680432] Thu, 14 May 2020 01:58 Go to next message
shivambhatele
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Registered: May 2020
Junior Member
Hello Everyone, I am learning DBMS and I am confused to understand the difference between OLAP and OLTP in terms of storage space. As of my knowledge, The requirement for storage space is small for OLTP systems and even smaller for those systems with archived historical data. Can anyone know is OLTP is less storage space issue? If someone knows the head to head comparison of both of them, please explain to me.
Re: Storage Space Requirements in OLAP and OLTP [message #680435 is a reply to message #680432] Thu, 14 May 2020 03:02 Go to previous messageGo to next message
Michel Cadot
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OLTP can have so much storage.
Think about an international telephone company, with hundreds of million of clients, which records each call with start time, end time, localization... and must keep them online for a long time for billing or legal reasons.
Same thing for an international bank recording each transaction made with a credit card all around the world.

[Updated on: Thu, 14 May 2020 03:04]

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Re: Storage Space Requirements in OLAP and OLTP [message #680438 is a reply to message #680432] Thu, 14 May 2020 03:32 Go to previous message
John Watson
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Registered: January 2010
Location: Global Village
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Some of the biggest databases on the planet would count as OLTP. Think of Amazon, eBay.

When it comes to OLAP, you need to be careful: OLAP is a generic term for non-relational database environments designed for multidimensional queries, and also there is an (expensive) Oracle product named OLAP. I do not know much about either, but I suspect that Oracle OLAP will be de-supported at some point because Uncle Oracle wants to move people to Oracle Analytics (the Essbase OLAP database), preferably in the Oracle Cloud.
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