Posts tagged postgresql in May, 2021
Filters: Year: 2021 × Month: May × postgresql × Sorted by date
explain.dalibo.com (via) By far the best tool I’ve seen for turning the output of PostgreSQL EXPLAIN ANALYZE into something I can actually understand—produces a tree visualization which includes clear explanations of what each step (such as a “Index Only Scan Node”) actually means.
Django SQL Dashboard
I’ve released the first non-alpha version of Django SQL Dashboard, which provides an interface for running arbitrary read-only SQL queries directly against a PostgreSQL database, protected by the Django authentication scheme. It can also be used to create saved dashboards that can be published or shared internally.
[... 2,171 words]Practical SQL for Data Analysis
(via)
This is a really great SQL tutorial: it starts with the basics, but quickly moves on to a whole array of advanced PostgreSQL techniques - CTEs, window functions, efficient sampling, rollups, pivot tables and even linear regressions executed directly in the database using regr_slope()
, regr_intercept()
and regr_r2()
. I picked up a whole bunch of tips for things I didn't know you could do with PostgreSQL here.
Adding GeoDjango to an existing Django project
Work on VIAL for Vaccinate The States continues.
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