1st step you should take to identify the problem

Hi gurus

I did my interview today and has confused the following question:

Question Your query was working fine yesterday and today, when you try to run the same query, then it stuck, what would be the 1st step you should take to identify the problem?.

My answer I checked the Plan to explain...

but it seems that I gave the wrong answer.

Any idea, what should be the 1st and other steps to identify and resolve the problem. Thank you

Concerning

Shu

I did my interview today and has confused the following question:

Question Your query was working fine yesterday and today, when you try to run the same query, then it stuck, what would be the 1st step you should take to identify the problem?.

My answer I checked the Plan to explain...

but it seems that I gave the wrong answer.

Why it looks like you have the right answer?

Any idea, what should be the 1st and other steps to identify and resolve the problem. Thank you

Only the people interview you can say what response THEY were looking for and, for them, ONLY it would be the right answer.

, You ask them what response they wanted? If not, why? It is an object of an interview - to see if someone is WILLING and ABLE to COMMUNICATE with you and he is not afraid to ask questions if they don't understand something.

If you ask the poster what they were saying. If you did NOT request you missed them the perfect opportunity to get your question answered.

When running a query today is different than it yesterday so SOMETHING has CHANGED.

The FIRST step is to confirm that you really have a performance problem. In other words, to confirm that the request really is "stuck".

The NEXT step is to determine what has changed between yesterday and today. There is a large data load? Are there more users of the NLE system?

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