PerkinElmer Master Data Specialist Interview Questions and Answers

Q1. CALCULATE function from DAX.
Ans. 
The CALCULATE function in DAX is used to apply filters to a calculation in a formula.
• CALCULATE function modifies the filter context for a calculation in DAX.

• It can be used to override existing filters or apply new filters.

• Example: CALCULATE(SUM(Sales[Amount]), Sales[Region] = 'North')
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Q2. What are data structure?
Ans. 
Data structures are ways of organizing and storing data in a computer so that it can be accessed and used efficiently.
• Data structures define the way data is stored, accessed, and manipulated in a computer program.

• Examples of data structures include arrays, linked lists, stacks, queues, trees, and graphs.

• Choosing the right data structure is crucial for optimizing the performance of a program.
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Q1. Explain about project in detail
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Q2. How did you manage so much cgpa?
Ans. 
I managed a high CGPA through consistent hard work, effective time management, seeking help when needed, and staying organized.
• Consistent hard work by studying regularly and staying focused on academics

• Effective time management to balance studies, assignments, and extracurricular activities

• Seeking help from professors, tutors, or classmates when facing challenges

• Staying organized with study schedules, notes, and deadli
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Q1. Data management
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Q2. Excel pivot, Vlookup
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Q1. About Sql, project and work we did
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Basic questions based on sql theories and excel

Assignment to solve excel sheets using advanced excel functions

Q1. Common interview questions, index match, self join, SQL theoretical questions ( types of join, union and union all , delete and truncate difference), data modelling using excel, count if, case study.
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Q1. Previous experience and personal questions and tools knowledge
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Q1. Salary discussion round
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Q1. Question was asked from the resume
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Q1. Salary discussions
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