Apps Associates Data Analyst Interview Questions and Answers

Q1. Can you tell me about yourself?
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Multiple sections on cognitive ability, quant and logical reasoning.
1 coding question

Easy
50% went to next round

Q1. Technical: SQL, DBMS, Basic programming questions- palindrome, fibonacci, discussion on projects and internships
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Q2. Difference between UNION and UNION ALL
Ans. 
UNION combines and removes duplicates, UNION ALL combines without removing duplicates.
• UNION merges the results of two or more SELECT statements and removes duplicates.

• UNION ALL merges the results of two or more SELECT statements without removing duplicates.

• UNION is slower as it has to remove duplicates, while UNION ALL is faster.

• Example: SELECT column1 FROM table1 UNION SELECT column1 FROM table2;

• Example: SELECT column...read more
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Q3. Types of SQL commands
Ans. 
SQL commands include SELECT, INSERT, UPDATE, DELETE, CREATE, and DROP.
• SELECT: retrieves data from a database

• INSERT: adds new records to a table

• UPDATE: modifies existing records in a table

• DELETE: removes records from a table

• CREATE: creates a new table, view, or index

• DROP: deletes a table or index
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Q1. Common HR questions
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Q1. Join, window function excel vlookup, sumif,count etc.
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Online aptitude test have been coundected

Q1. About the data procesig and projects on data science
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Q1. Tell about yourself
Ans. 
I am a data analyst with a background in statistics and programming, passionate about turning data into actionable insights.
• Background in statistics and programming

• Experience in data analysis and visualization tools like Python, R, and Tableau

• Strong problem-solving skills and attention to detail

• Ability to communicate complex data findings to non-technical stakeholders
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Q2. Rate yourself in sql
Ans. 
I rate myself as proficient in SQL with experience in writing complex queries and optimizing database performance.
• Proficient in writing complex SQL queries

• Experience in optimizing database performance

• Familiar with database management systems like MySQL, PostgreSQL, etc.
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In this test they asked about basic internet knowledge like what is domain and co domain. And how to get the details of a company and cross check them. And basic ms office knowledge to work on given files.

Q1. Why do you wanna work here.
Ans. To achieve my goals while helping the company to grow.
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Q2. What you see yourself after 2 years.
Ans. To be at higher position in this company.
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Q3. Why do you want to work in this field.
Ans. Because it's an great opportunity to earn while learning and growing.
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This was basic test it was easy

Q1. Here all question are based on my resume
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Q2. Explain your project What kind of work you did
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Q1. Tell me about yourself.
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