Cartesian Consulting Interview Questions and Answers

Q1. Basic python program
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Q1. Sql an stored procedure
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SQL stored procedures are precompiled SQL statements that can be saved and reused in a database.
• Stored procedures are used to encapsulate logic in the database for better performance and security.

• They can accept input parameters and return output parameters.

• Stored procedures can be called from application code to execute complex database operations.

• Example: CREATE PROCEDURE GetEmployeeDetails AS SELECT * FROM Employees...read more
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Q2. Sql python data structure
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Q1. Normal questions asked
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Q1. SQL questions were asked
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It was related to SQL questions

Q1. How to use Rank function?
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Rank function is used to assign a rank to each row within a partition of a result set.
• Use the RANK() function in SQL to assign a unique rank to each row within a partition.

• The rank is determined by the ORDER BY clause specified in the query.

• If two rows have the same value, they will have the same rank, and the next row will have a rank that is incremented by the number of tied rows.
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Q2. Ifference between truncate & delete
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Truncate is a DDL command that removes all records from a table, while delete is a DML command that removes specific records.
• Truncate is faster than delete as it does not log individual row deletions.

• Truncate resets the identity seed of the table, while delete does not.

• Truncate cannot be rolled back, while delete can be rolled back using a transaction.

• Truncate does not fire triggers, while delete does.

• Truncate is used ...read more
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Q1. Expected salary
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I am looking for a competitive salary based on my experience and skills in the data analytics field.
• I am open to discussing salary based on the responsibilities and requirements of the role.

• I have a strong background in data analysis and am confident in my abilities to contribute to the team.

• I am looking for a salary that is competitive with industry standards for data analysts.

• I am open to negotiation based on the ove...read more
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Q2. How you will handle the work pressure
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I handle work pressure by prioritizing tasks, staying organized, taking breaks, and seeking support when needed.
• Prioritize tasks based on deadlines and importance

• Stay organized with to-do lists and calendars

• Take breaks to recharge and avoid burnout

• Seek support from colleagues or supervisors when feeling overwhelmed
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Q1. When do you use vlookup in excel
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VLOOKUP in Excel is used to search for a value in a table and return a corresponding value from another column.
• Use vlookup to find specific data in a large dataset

• Use vlookup to merge data from different tables

• Use vlookup to create dynamic reports by pulling data from multiple sources

• Example: =VLOOKUP(A2, Sheet2!A:B, 2, FALSE) - this formula searches for the value in cell A2 in the first column of Sheet2 and returns th...read more
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Q2. Can you explain about joins in sql
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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

• INNER JOIN returns rows when there is at least one match in both tables

• LEFT JOIN returns all rows from the left table and the matched rows from the right table

• RIGHT ...read more
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Q1. Which model is using for classification?
Ans. 
We are using the Random Forest model for classification.
• Random Forest model is an ensemble learning method that builds multiple decision trees and merges them together to get a more accurate and stable prediction.

• It is widely used for classification tasks due to its ability to handle large datasets with high dimensionality.

• Random Forest is a popular choice in machine learning for its robustness and ability to reduce ov...read more
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Q1. Salary discussion
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Q1. Sql query, order by, having, joins, simple basics query
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Q1. Guesstimates, sql query easy, case study
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