DecisionTree Analytics & Services Interview Questions and Answers

It was a completely logical aptitude test.

Q1. What are different types of Joins
Ans. 
Different types of joins in SQL include inner join, left join, right join, and full outer join.
• Inner join: Returns rows when there is a match in both tables.

• Left join: Returns all rows from the left table and the matched rows from the right table.

• Right join: Returns all rows from the right table and the matched rows from the left table.

• Full outer join: Returns rows when there is a match in either table.
Answered by AI
Add your answer

Q1. SQL Basic syntax and rules
Add your answer
Q2. Resume projects explanation
Add your answer
Q3. Puzzles involving critical thinking
Add your answer

Q1. Advanced SQL Coding
Add your answer
Q2. Puzzles and Guesstimates
Add your answer
Q3. Python Pandas questions
Add your answer

Q1. Why am I interested in this role
Add your answer
Q2. Open to relocate or not
Add your answer
Q3. Salary Expectations
Add your answer
Q4. Resume based questions
Add your answer

Q1. Basic of joins , some shit puzzle question
Add your answer
Q2. Inner join left join cross join
Add your answer
Q3. Lod in tableau , Row level security
Ans. 
Row level security in Tableau allows users to restrict access to specific rows of data based on user roles or permissions.
• Row level security in Tableau is implemented by creating user filters based on user roles or permissions.

• Users can only see data that they have been granted access to, based on the row level security settings.

• Row level security can be set up using Tableau Server or Tableau Online.

• Example: A sales ma...read more
Answered by AI
Add your answer

There will be one case study where we need to create a wireframe /dashboard design

Q1. Tableau question and again shit puzzle question
Add your answer

The test was on mettl and of moderate level

Guesstimates puzzles and sql questions were asked