[edit] yes, KDB+ is the database product. Q is one interpreter that interops with it. K is another. I am not 100% sure but I think Q is actually K plus a sta

[edit] yes, KDB+ is the database product. Q is one interpreter that interops with it. K is another. I am not 100% sure but I think Q is actually K plus a standard library of "Q words" so you can write K directly if you want. I think the reason for Q is as a more familiar interface for people with SQL experience.