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Q&A Integrating a standalone database 'engine' into an OLAP database

I'm trying to build a proper understanding of what an OLAP[1] datastore vs an OLAP data engine is. I tend to put too much value on keywords like "engine" vs "data store." If it has "engine," I thin...

0 answers  ·  posted 1mo ago by erjcan‭  ·  edited 1mo ago by Michael‭

Question database olap
#2: Post edited by user avatar Michael‭ · 2024-04-08T19:04:44Z (about 1 month ago)
Proofreading. Add new tag. Searchable text for the tech elements.
  • integrating standalone database 'engine' into olap db
  • Integrating a standalone database 'engine' into an OLAP database
  • i'm trying to build a proper understanding of what olap datastore vs olap data engine is. I tend to put too much value to keywords like "engine" vs "data store". If it has engine - I think it should be plugable into another tech stack.
  • I found [this data tech](https://alirezasadeghi1.medium.com/open-source-data-engineering-landscape-2024-8a56d23b7fdb) landscape image.
  • In the upper corner there is 2 categories - columnar olap database and olap engine.
  • ![kk](https://software.codidact.com/uploads/ftyqhvudhocfhm5vrju7hu564g3r)
  • My background is in data engineering, so i automatically assume if a technology has 'engine' keyword - then it can be used as part of bigger olap db, because 'engine' means a smaller component.
  • E.g. plugging engine pinot/druid as part of proper olap db - apache kudu.
  • 1.Is this assumption correct?
  • 2.what is the difference between olap database and olap engine?
  • I'm trying to build a proper understanding of what an OLAP[^1] datastore vs an OLAP data engine is. I tend to put too much value on keywords like "engine" vs "data store." If it has "engine," I think it should be pluggable into another tech stack.
  • I found a [data engineering tech landscape chart on Medium](https://alirezasadeghi1.medium.com/open-source-data-engineering-landscape-2024-8a56d23b7fdb) with two OLAP categories in the top-right corner:
  • | Columnar OLAP Database | Real-Time OLAP Engine |
  • |------------------------|-----------------------|
  • | Apache Kudu | ClickHouse |
  • | Greenplum Database | Pinot |
  • | MonetDB | Druid |
  • | DuckDB | Apache Kylin |
  • | Databend | Doris |
  • | ByConity | StarRocks |
  • | Hydra |
  • My background is in data engineering, so I automatically assume if a technology has the 'engine' keyword, then it can be used as part of bigger OLAP database, because 'engine' means a smaller component.
  • E.g. plugging engine Pinot or Druid as part of proper OLAP database like Apache Kudu.
  • 1. Is this assumption correct?
  • 2. What is the difference between an OLAP database and an OLAP engine?
  • [^1]: Online Analytical Processing
#1: Initial revision by user avatar erjcan‭ · 2024-04-08T17:59:44Z (about 1 month ago)
integrating standalone database 'engine' into olap db
i'm trying to build a proper understanding of what olap datastore vs olap data engine is. I tend to put too much value to keywords like "engine" vs "data store". If it has engine - I think it should be plugable into another tech stack.


I found [this data tech](https://alirezasadeghi1.medium.com/open-source-data-engineering-landscape-2024-8a56d23b7fdb) landscape image.

In the upper corner there is 2 categories - columnar olap database and olap engine.
![kk](https://software.codidact.com/uploads/ftyqhvudhocfhm5vrju7hu564g3r)

My background is in data engineering, so i automatically assume if a technology has 'engine' keyword - then it can be used as part of bigger olap db, because 'engine' means a smaller component. 
E.g. plugging engine pinot/druid as part of proper olap db - apache kudu.

1.Is this assumption correct?

2.what is the difference between olap database and olap engine?