About jwarlander

jwarlander · 20-01-2021

As described in the README of the project, Redata is aimed at monitoring the data in your database, rather than the database itself:"Monitoring system for data teams. Computing health checks on data (via Airflow jobs), visualizing them over time, and...

jwarlander · 12-01-2021

Hello,I'm curious about if Exasol keeps track of any interesting metadata about column values, in a way that one could access through system tables for example.. Eg. current min/max values, NULL value counts, or anything similar?I'm working on an Exa...

jwarlander · 13-01-2021

Happy New Year! 🙂So without knowing exactly how your XML import is set up.. Wouldn't you be able to just have an identity column on the table you import into, that will implicitly have increasing numbers automatically generated, and then sort by tha...

jwarlander · 13-01-2021

Yeah, I suspected as much!I'm also in need of min/max/avg values over a few different time periods, which of course wouldn't be possible to derive from total column statistics.. My best bet is probably to try and optimize the way Redata queries for t...

jwarlander · 13-01-2021

Thanks @PeterK, that looks interesting!I guess it would be a bit risky to use, as you say.. but on the other hand, I could test for "compliance" on startup, and use the table if it works as expected with the connected Exasol database. Then there's th...

jwarlander · 15-09-2020

One of my colleages tipped me off about dbt, it seems like a great tool and I look forward to playing around with it!Torsten, what has your experience been so far? Any particular things to keep in mind for Exasol specifically?

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Monitor your data in Exasol with Redata

Column value metadata

Re: Access RowNr from original file in IMPORT ?

Re: Column value metadata

Re: Column value metadata

Re: DBT (getdbt.com) on Exasol

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