Home > Philosophic, problem-cause-solution > Why are we using root cause analysis?

Why are we using root cause analysis?

RCA stands for Root-Cause Analysis. Why are we using RCA or specifically, why we are using RCA in operation.

It is clear that documenting, archiving, publishing RCA, helps to solve problems faster in re-occurences of problems.

But the there seems to be a deeper philosophy behind…

While looking at Project Management Quality Management topics in Rita Mulcahy(RIP), I see a good principle which may help us in future problems.


The 80 percent of problems are due to 20 percent of the root causes. [Pareto Principle, 80/20 principle by Joseph Juran]

If this is real then solving 20 percent of root causes will solve our 80 percent of our problems. So why not find and deal with those big fishes… Or preventing them before occuring.

  1. August 26, 2015 at 10:49 am

    I have got many TX simultaneously doing in a number of tables at a time.
    I have got a script to track and show the explain plan, however, the first used index, but the second did not. Your idea?


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