So far, in the previous post  and the one before that, we have seen what is necessary to register some Javascript as a custom command in SQLcl.To be honest, with all the complexity that is needed, I would be surprised if anybody made it to here.I am very enthusiastic about the scripting possibilities in SQLcl, but if registering a very simple script with a handful of lines requires more than a screen full of extra code just to be able to make it available as a custom command, I can imagine not a lot of people wanting to go there. I myself copied the extra code from one script to the next, until I got sick and tired of it. So, with the wise words of the Dutch medieval Philosopher Desiderius Erasmus in mind “Your library is your paradise” I turned the code I had so far into a library. … Lees verder →