Loyalytics Interview Questions and Answers

Q1. What is highest salary
Ans. 
The highest salary is typically determined by factors such as job role, experience, location, and company size.
• Highest salary can vary based on industry and job role.

• Experience level and skills can also impact salary levels.

• Location plays a significant role in determining salary, with higher cost of living areas typically offering higher salaries.

• Company size and financial health can also influence salary levels.
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Q1. What is your roles and rsponsibilities
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Q1. What is your expectyed ctc
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Q1. What is Union All in SQL and how it works?
Ans. 
Union All in SQL is used to combine the result sets of two or more SELECT statements, including duplicate rows.
• Union All is used to combine the results of multiple SELECT statements into a single result set.

• It includes all rows from each SELECT statement, even if there are duplicate rows.

• The number of columns and data types must be the same in all SELECT statements being combined.

• Example: SELECT column1 FROM table1 UNI...read more
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Q2. What is ETL and ELT?
Ans. 
ETL stands for Extract, Transform, Load and ELT stands for Extract, Load, Transform.
• ETL involves extracting data from various sources, transforming it to fit into a target schema, and loading it into a data warehouse.

• ELT involves extracting data, loading it into a target system, and then transforming it as needed within the target system.

• ETL is commonly used in traditional data warehousing scenarios, while ELT is often...read more
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Q1. How does Union all works with a given scenario?
Ans. 
Union all combines the results of two or more SELECT statements into a single result set.
• Union all is used to combine the results of multiple SELECT statements into a single result set.

• It includes all rows from each SELECT statement, even if there are duplicates.

• The number of columns and data types must be the same in all SELECT statements.

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

• Example...read more
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Q2. Python code to merge 3 columns and rows.
Ans. 
Python code to merge 3 columns and rows in a dataframe.
• Use the pandas library in Python to work with dataframes.

• Use the concat() function to merge columns and rows.

• Specify the axis parameter as 1 to merge columns.
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Q1. What is the self join
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Q2. Innner join how does this works
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Q3. Modelling related question
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Q4. Linear regression
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Q5. Logicstic regression
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1hr, subject-oriented and analytical

Q1. Analytical questions
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Q2. Coding related questions
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