Perhaps the most basic, familiar sounding scale you can play is the major scale. It has a happy or content mood to it. Many scales you will learn are based around this scale. It is one of the foundations of western music, and one of the most useful bass scales to know.
The major scale uses the same pattern of notes as a minor scale, but the root is in a different place in the pattern. As a result, every major scale has a relative minor scale with the same notes, but a different starting place.
In this article, we will go over the hand positions you use to play any major scale. If you aren't familiar with bass scales and hand positions, you should brush up on that first.