What is the best way to show some tabular data?

Hi, please help me get the big picture…
I am having a table, filled with different project details. These projects’ data are changing once in a while. So I need to update them.
I am putting these data in a table, in a post.

Question: Is what I am doing the best way to keep a table and its data updated?!
Is there any way to use databases for this, and link to them from inside the posts?

I hope I could explain myself!
(I have many posts with such tables. updating them manually would be tedious.)