1st round: Recruiter screen

2nd round: Technical screen

• Introduction by the interviewer
• Describe several projects in detail
• Behavioral questions, such as "What is the most challenging project?"
• Coding in HackerRank
• Lastly, ask questions if any

Given two arbitrary tables, A and B. A table is a list of rows, and a row is a mapping of columns to values. All values are strings for simplicity.

Implement Join(Table A, Table B, List joinCols) such that it returns a Table C that contains the inner join results between tables A and B.

An inner join is defined as: For each row in A and B that have the same values for all columns in joinCols, table C has a row with all the columns from the corresponding rows in A and B.

Part 1: Define Table Class

Part 2: Implement Join(Table A, Table B, List joinCols)