Jim Cramer on Recursion: “I Need to See a Proof of Concept Here”

I don’t know. It’s been such a dog. It’s been a dog, we had them on, twice the price. It’s done absolutely nothing. I need to ...
IEEE

Recursive Queries: Twenty-Five Years After SQL:1999

Abstract: SQL:1999 recursive queries are almost a quarter century old. In this standard the recursive queries have the form of recursive common table expressions. In recent years vendors of almost all ...
GitHub

SQL：Recursive calculation of tree like hierarchical structure

Now we need to recursively calculate the hierarchical structure of the tree. Parallel nodes are arranged in order of their IDs, and the new name field=level * underline + original name, which is used ...
thetechedvocate.org

Postgres Feature You’re Not Using – Ctes A.K.A. WITH Clauses

Have you ever felt like your SQL queries were turning into spaghetti code? I certainly have! But fear not, fellow data wranglers, because today we’re diving into one of PostgreSQL‘s most powerful yet ...
GitHub

Comparison of SQL and SPL：Recursion Operation

An recursion operation is defined as the process of directly or indirectly calling a procedure repeatedly. The Tower of Hanoi puzzle is one typical example of this. This essay introduces the methods ...
InfoWorld

SQL unleashed: 9 ways to speed up your SQL queries

A common SQL habit is to use SELECT * on a query, because it’s tedious to list all the columns you need. Plus, sometimes those columns may change over time, so why not just do things the easy way? But ...