On Thu, Nov 25, 2021 at 9:13 AM Shaozhong SHI <shishaozh...@gmail.com> wrote:
> Function difference not found. > > Should an extension created for finding it? > > It's an operator (there may be a backing function that isn't documented)... SELECT 5 - 2; -- yields 3, the difference of 5 and 2. David J.