How do you create apps for SQL Server

This is a very useful site that you should acquaint yourself with. You can create apps that work with SQL Server with all of the following:

C#

Java

NodeJS

PHP

Python

on

Windows

macOS

RHEL

UBUNTU

SLES (Suse...)

You need to start at this link:

https://www.microsoft.com/en-us/sql-server/developer-get-started/