How do I unassign variables in KDB?

Question

Let's say I've written:

d: 3

How do I then unassign this, if I want to delete this variable?

I tried delete d and _d but neither of these worked.

Answer 1

To delete a variable from the root namespace you can use:

delete d from `.

More information can be found here: https://code.kx.com/q/ref/delete/