Porque usar mysql en ves de exel?

Question

Exel es más sencillo de utilizar y es más probable de que todos la tengan.

Answer 1

Excel and MySQL are completely different types of software, for different users.
MySQL is a database engine, and Excel is a spreadsheet application. The only common point is that they both operate on data... Which is probably true for most kinds of software :)
You need to clarify your question more, because it is not meaningful.