🟣 SQL interview questions and answers to help you prepare for your next machine learning and data science interview in 2026.

Advanced SQL workbook: subqueries, window functions, CTEs, recursive CTEs, and datetime practice.

A list of the most common entry level SQL interview questions and answers.

Set of questions for php developer interview for different levels and technology

Designed as a comprehensive resource for aspiring data analysts, data engineers, and database administrators.

One SQL problem a day for a year

A thorough and comprehensive collection of SQL resources designed to enhance your expertise. Dive into interview preparation with Q&A, access detailed notes, and embark on thorough SQL projects with accompanying handbooks. Find quick references, insightful roadmaps, and a wealth of knowledge to elevate your SQL skills.

Найпопулярніші запитання та відповіді на співбесіді з SQL

This repository is dedicated to solutions for LeetCode SQL questions implemented in PySpark.

Открытый банк SQL-задач с собеседований аналитика данных: Junior → Senior, с решениями и разбором. Тренажёр — zasqlpython.ru

Solutions to LeetCode's SQL 50 Study Plan, organized by SQL concept and difficulty. Each solution includes the approach, alternative queries where interesting, and MySQL dialect notes. Actively in progress.

Aprenda SQL do zero ao avançado com foco em análise de dados, problemas reais e entrevistas técnicas. Azure SQL • Queries guiadas • Laboratório prático • Data Analysis com SQL

crack-sql-interview-50

Commonly Used SQL Functions

1400+ data engineering interview questions for 2026. SQL, Python, schema design, and pipeline architecture. Each question includes a runnable browser sandbox, what it tests, and the common trap.

Solutions to SQL interview questions and practice problems

100+ SQL problems on Subqueries & Window Functions to master Data Analyst interview concepts.

Featuring 50 curated SQL solutions across metrics, joins, window functions, time series, retention, data cleaning, sequences, and business logic—turning raw data into clear, defensible analysis.

SQL practice repository containing beginner to advanced SQL queries, problem-solving exercises, and database concepts for improving query writing and analytical skills.

Advanced SQL for Data Analytics. A collection of problem-solving solutions covering complex Joins, Window Functions, CTEs, and Query Optimization. Includes real-world interview questions, schema design, and dataset analysis for MySQL and PostgreSQL