RBHU Analytics Interview Questions, Process, and Tips

Excel Sheet was provided with aptitude questions. Questions were easy.

Q1. What is server?
Ans. 
A server is a computer or software program that provides functionality for other programs or devices, often over a network.
• A server stores and manages data, files, or applications that can be accessed by clients over a network.

• Servers can provide services such as email, web hosting, file storage, and database management.

• Examples of servers include web servers like Apache, email servers like Microsoft Exchange, and file
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Q2. What is client?
Ans. 
A client is an individual or organization that receives services or advice from a consultant.
• Clients can be individuals, businesses, or other entities seeking assistance with a specific problem or project.

• Consultants work closely with clients to understand their needs and provide tailored solutions.

• Building strong relationships with clients is essential for successful consulting engagements.
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Q3. What is difference between exists and in operartor?
Ans. 
The 'exists' operator is used to check for the existence of a field in a document, while the 'in' operator is used to match a field against a list of values.
• The 'exists' operator is used in MongoDB to check if a field exists in a document.

• The 'in' operator is used in SQL to match a field against a list of values.

• Example: 'exists' operator - db.collection.find({ field: { $exists: true } })

• Example: 'in' operator - SELECT...read more
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Q4. What is index and its type?
Ans. 
An index is a data structure that improves the speed of data retrieval operations in a database.
• Indexes are used to quickly locate data without having to search every row in a database table.

• Types of indexes include clustered indexes, non-clustered indexes, unique indexes, and composite indexes.

• For example, a clustered index physically reorders the data in the table based on the index key, while a non-clustered index c...read more
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Q5. SQL queries ro find 6 th highest salary?
Ans. 
Use SQL query with ORDER BY and LIMIT to find 6th highest salary.
• Use ORDER BY clause to sort salaries in descending order

• Use LIMIT 1 OFFSET 5 to get the 6th highest salary
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Q1. Introduce yourself. What are your projects and achievements?
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Q2. I don't want data analyst as of now. I will be adding you to developing team. What tech stacks are you familiar with?
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Basic apti questions

Q1. Background and general
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Q1. SQL database based mostly
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Q2. Scenario based on common table expression
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Q3. Triggers and functions
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Q1. Client based one to one
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Math reasoning basic question's are there

Q1. Scenerio based questions on sql and python
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