Kalkine Data Analyst Interview Questions and Answers

Q1. Type of Joins, Syntax of Join
Ans. 
Joins are used to combine rows from two or more tables based on a related column between them.
• Types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN

• Syntax of join: SELECT columns FROM table1 JOIN table2 ON table1.column = table2.column

• Example: SELECT * FROM table1 INNER JOIN table2 ON table1.id = table2.id
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Q1. Introduction , knowledge about capital market
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Nothing as such just basic

Q1. Tableau, python, previous projects
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Q2. Natural language processing, regression
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Clustering code on cricket anslytics

Audit assurance case study… examples and estimation

Focus on little bit of dynamic programming

Q1. Apache spark architecture and ecosystem along with memory management
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Q2. SQL queries for manager salary
Ans. 
SQL queries can be used to retrieve and analyze manager salary data from a database.
• Use SELECT statement to retrieve salary data: SELECT salary FROM employees WHERE position = 'Manager';

• Aggregate functions like AVG can calculate average manager salary: SELECT AVG(salary) FROM employees WHERE position = 'Manager';

• Use GROUP BY to analyze salaries by department: SELECT department, AVG(salary) FROM employees WHERE position...read more
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Q3. Python decorators --> @
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Q4. RANK and other window functions
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Q5. Joins along with use case
Ans. 
Joins are used in SQL to combine rows from two or more tables based on a related column between them.
• Joins are used to retrieve data from multiple tables based on a related column

• Common types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN

• Use cases for joins include combining customer data with order data, merging employee information with department details
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Q1. Brief about experience
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Q2. Roles and responsibilities
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Logical, mathematical, profile based questions and derivatives

Q1. Basic introduction
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Q1. Technical questions based on profile
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Q1. Proper knowledge regarding major agricultural commodities
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Q2. Knowledge regarding Value chains of major agricultural commodities
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