Dunzo MIS Analyst Interview Questions and Answers

Q1. Rank Function Application in Google Sheet?
Ans. 
Rank function in Google Sheets is used to assign a rank to a value in a list based on its order.
• Rank function is used to determine the rank of a value in a list.

• It can be used to rank values in ascending or descending order.

• The syntax for the rank function is RANK(value, range, [is_ascending]).
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Q2. Joins From SQL?
Ans. 
Joins in SQL are used 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.

• Example: SELECT * FROM table1 INNER JOIN table2 ON table1.column = table2.column;
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Q3. Order Of query execution in SQL?
Ans. 
The order of query execution in SQL is: FROM, WHERE, GROUP BY, HAVING, SELECT, ORDER BY.
• FROM: Specifies the tables from which data will be retrieved.

• WHERE: Filters the rows based on specified conditions.

• GROUP BY: Groups the rows based on specified columns.

• HAVING: Filters the groups based on specified conditions.

• SELECT: Retrieves the columns specified in the query.

• ORDER BY: Sorts the result set based on specified column
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Q4. Write a query to find out students has greater than 80 marks and from English subject?
Ans. 
Query to find students with over 80 marks in English subject
• Use SELECT statement to retrieve data

• Filter the results using WHERE clause for marks greater than 80

• Include condition for English subject using AND operator
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Q1. When we use having clause ?
Ans. 
HAVING clause is used in SQL to filter groups based on specified conditions after GROUP BY clause.
• HAVING clause is used with GROUP BY clause to filter groups based on specified conditions.

• It is used to filter the results of aggregate functions like COUNT, SUM, AVG, etc.

• It is used to apply conditions to groups, similar to WHERE clause which applies conditions to individual rows.

• Example: SELECT department, AVG(salary) FR...read more
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Q2. Aggregate Function Application?
Ans. 
Aggregate functions are used to perform calculations on groups of rows in a table.
• Aggregate functions include SUM, AVG, COUNT, MIN, and MAX.

• They are commonly used in SQL queries to summarize data.

• For example, you can use SUM to calculate the total sales for a specific product.

• Another example is using AVG to find the average salary of employees in a department.
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Q3. Group by and order By?
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Q4. Write a query employes join between such dates?
Ans. 
Use a SQL query with JOIN to retrieve employees between specified dates.
• Use the JOIN keyword to combine data from two tables

• Specify the date range using the WHERE clause

• Example: SELECT * FROM employees e JOIN dates d ON e.date = d.date WHERE d.date BETWEEN '2022-01-01' AND '2022-12-31'
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Asking about ur self introduction and work experience

Define CTE and how it works

Q1. Tell me about yourself
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Q2. Why swtiching your company
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Given a on spot question and we have to solve the problem. As i attended for MIS Job its in Excel. They have a set of questions in that question will be like basic to advanced formulas. We have to solve infront of Interviewer.

Q1. Self introduction and knowledge checking
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Q1. SQL and Excel based questions
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