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Must this be used in columnar database?
What drawbacks if used in RDBMS?
Must this be used for OLAP?
What drawbacks if used in OLTP?
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Hi,
Clickhouse is an OLAP database and I want to make a generic query engine where users can enter any query SQL and return query results, including returning schema and data, and then the applicatio…
lshoo updated
3 months ago
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In current master(3.3.0rc2) version, when a field starting with the # character is used as the key of a range partition expression, and there is a field with the same name that does not start with…
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Hi,
I am trying to connect from Ubuntu 20.04 to a 3rd party MS SAAS service on the Internet. This is the current code:
```
import olap.xmla.xmla as xmla
from requests import Session
from requ…
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BSI is a great way when we use to store high cardinality column for OLAP. the bitmap index such as druid, arrow, parquet is limited .... BSI can be use for point/range query and sum/topK
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**Q: Can the proposed component’s functionality be replicated by an existing component, with a specific configuration ?**
**A:** No.
**Q: Alternatively implemented as a wrapper around an existin…
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**Is your feature request related to a problem? Please describe.**
Support for Clickhouse DB
**Additional context**
With Clickhouse being primarily a large data OLAP DB, integration with it c…
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```
Only importain if we want to use Mondrian/OLAP for MDX queries on the
Dependency cube.
```
Original issue reported on code.google.com by `paulr...@gmail.com` on 15 Feb 2008 at 11:37
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## Summary
Build first-class support for [ClickHouse ](https://github.com/ClickHouse/ClickHouse) as an official Jaeger backend. ClickHouse is an open-source column-oriented database for OLAP use case…
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Hi,
I am newbie in OLAP world!
What is different between Kylin and Mondrian ?.
Why do you need to mix between them ?
Thank you