How do I approach Data Manipulation (SQL/Python) interview questions?

Data Manipulation (SQL/Python) questions require understanding of core concepts and practice. PracHub provides solutions with explanations to help you master data manipulation (sql/python) interviews.

What difficulty level is this interview question?

This is a medium difficulty Data Manipulation (SQL/Python) question, commonly asked during Technical Screen rounds at Rippling.

What role is this question designed for?

This question is commonly asked for Data Analyst candidates at Rippling during technical interviews.

Build a Gap-Free Monthly Booking Summary

Last updated: Jul 24, 2026

Quick Overview

Build a PostgreSQL monthly report that fills missing calendar periods for each product and booking type. Practice distinct-customer counts, cumulative totals, prior-month comparisons, zero-denominator handling, window semantics, and stable ordering.