RECURSIVE Query is Recursive – Practice Over Theory


See on RECURSIVE Query is Recursive – Practice Over Theory

In Postgres you have the ability to write recursive queries that refer to
themselves. This is a very powerful construct, and among other use cases …

Ryan Seifert‘s insight:

I started using Postgres a couple years ago and have really enjoyed the experience. Previously I had used Sql Server, MySQL, Firebird, and SQLite (I liked SQLite out of that group; smal,l quick, and embedded). Postgres just worked; everything I threw at it was handled and handled well.

Its great to add a new tool to my arsenal for Postgres; I’m looking forward to trying this out. I’m not sure where I would apply it to production systems yet; the variable in performance is something to keep in mind. Assuming you will be returning for the data anyway; these queries should return better results than having to perform multiple requests.

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