Technical skills are learned by doing. Watching a demonstration helps, but the real learning starts when you try the task yourself and make a few mistakes along the way.
Practice builds confidence
When you have worked through an exercise, you know you can repeat it at work.
Mistakes are useful
A training room is a safe place to get things wrong. Each error teaches you something that a slide never could.
What to look for
Choose courses that include exercises, real data and time to ask questions as you work.