What is bar chart and explain with one example?What are Pros.and cons?

[#1]

What is bar chart and explain with one example?What are Pros.and cons?

[Gysbert_Wassenaar]

With all respect, if you don't know what a bar chart is then I don't think it's a good idea for you to be involved in Business Intelligence.

[#3]

Before raising the question first search and put he post