Logitech Analyst Interview Questions and Answers

Join in SQL is used to combine rows from two or more tables based on a related column between them.

• Join is used to retrieve data from multiple tables based on a related column

• 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

Primary key is a unique identifier for each record in a database table.

• Primary key ensures each record in a table is uniquely identified

• It must contain unique values and cannot have NULL values

• Primary key can be a single column or a combination of columns

• Example: 'ID' column in a 'Users' table can be a primary key

Cap rate, or capitalization rate, is a measure used to evaluate the potential return on investment for a real estate property.

• Cap rate is calculated by dividing the property's net operating income (NOI) by its current market value.

• It is expressed as a percentage and is used by investors to compare different investment opportunities.

• A higher cap rate indicates a higher potential return, but may also come with higher ris...read more

SQL rank order function explanation

• Rank order function in SQL assigns a rank to each row based on a specified column

• It can be used to determine the top or bottom N records in a dataset

• Example: SELECT column1, column2, RANK() OVER (ORDER BY column3 DESC) AS rank_order FROM table_name

Merging two tables involves combining data from both tables based on a common key.

• Identify a common key between the two tables

• Use SQL JOIN statements to merge the tables

• Choose the appropriate type of join (e.g. inner join, outer join)

• Consider the size of the tables and the performance implications of the merge

I am a dedicated and detail-oriented analyst with a strong background in data analysis and problem-solving.

• I have a Bachelor's degree in Statistics and have completed multiple data analysis projects during my studies.

• I am proficient in using statistical software such as R and Python for data analysis.

• I have experience in conducting market research and creating reports to help businesses make informed decisions.

• I am a q...read more