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Bi developer Interview Questions

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Tell me about a recent project.

2 Answers

I went into detail about a complicated project I had recently completed.

I hear you. They drag on forever for no results. Just wasting time & not reliable starting from HR to their mgr. No reply no response No results. Don't care attitudes.

How to remove duplicate records

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What's the types of joints?How to create a table?

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It wasn't so much a question as it was a task. I was asked to decompose a stored procedure that created a dynamic TSQL script that was subsequently was passed to an SSIS package to retrieve data.

1 Answer

Describe some ways to improve performance on large table

1 Answer

Data Warehousing, ETL, SLQs, Cognos BI, Cognos Report Studio, Cognos Framework Manager, Cognos Transformer, Dimensional Modeling, Dimensional Functions, etc.

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Maximum number of tables can be joined in Tableau

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Write a query on paper.

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Describe various joins

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What kind of reports did you create.

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