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Tutor profile: Casey M.

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Casey M.
Senior Software Engineer at Humana
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Questions

Subject: SQL Programming

TutorMe
Question:

What is the difference between a COALESCE and an ISNULL?

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Casey M.
Answer:

ISNULL can take one argument to take the place of a NULL, COLAESCE will take many arguments checking left to right in order whether there is a non-nullable value.

Subject: Python Programming

TutorMe
Question:

What is a good way to keep track of various amounts of data through iterations?

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Casey M.
Answer:

You should be able to keep a lot of data through iterations using a dict as it is one of the most versatile data structures Python has to offer.

Subject: Java Programming

TutorMe
Question:

Can you create private classes in Java?

Inactive
Casey M.
Answer:

Technically, yes, but it has to be an inner class since you would not be able to access it otherwise.

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