PostgreSQL
Find the number of the longest continuously rising days for a stock
Today I want to react to an article that claims that Relational Algebra Is the Root of SQL Problems in which the author hand-waves the following position: SQL becomes …
tag
Recursive
2 posts
PostgreSQL
Exporting a Hierarchy in JSON: with recursive queries
In another article here, entitled on JSON and SQL, we saw in great details how to import a data set only available as a giant JSON file. Then we normalized the data set, …