How to calculate square root in sqlite

Question

I need to calculate an euclidean distance in a sqlite database.

Does anyone know how to calculate square roots in sqlite beside writing and loading a dynamic library for

Answer 1

As far as I know - you can't do that using only core functions.

Here is the list of native functions Core functions and a list of aggregate functions Aggregate functions.

To solve your problem, you can write your own UDF (user defined function) as illustrated HERE