Data Architect Interview Questions | Glassdoor

Data Architect Interview Questions

"Data architects design, build, and maintain the systems that dictate how a company's data is collected and stored. Expect interviews to consist primarily of technical questions that will test your knowledge of engineering databases. Employers are often looking for candidates with degrees in data science, computer science, or another related field, as well as a knowledge of relevant database languages like SQL."

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Explain the difference between MS Visio and IBM Rational Modeler (formerly called Rational Rose) ?

1 Answer

With Rational Modeler, one can keep different artifacts (use cases, activity & sequence diagrams, etc) in a package. This means it has more integrated approach since dependencies among different artifacts are reflected as compared to Visio that treats every artifact independent of other artifacts.

what is the differnce between hash and nested-loop join

1 Answer

(In response to stating VMware lun sizing best practice) Why would volume management of smaller luns result in lower performance than a large lun (meta)?

1 Answer

What's 5/2 in MySQL ?

4 Answers

Why would you use a Null as a data value?

2 Answers

Why do you have a gap in your work history?

1 Answer

What Metadata Repository have you used at previous engagement ?

1 Answer

Write the sql for finding the two most populous cities per state in the two tables city and state.

1 Answer

What does it mean to be a consultant?

1 Answer

How would you build a DW, not knowing what needs to be in it, without User Requirements and Project Plan.

1 Answer
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