40 SQL Interview Questions and Answers (2026)
40 SQL and relational database interview questions covering joins, indexes, ACID, window functions, CTEs, MySQL vs PostgreSQL, and query challenges.
34 min readZeeshan Tofiq
postgresql
2 articles
2 articles
40 SQL and relational database interview questions covering joins, indexes, ACID, window functions, CTEs, MySQL vs PostgreSQL, and query challenges.
How to store, serialize, and return JavaScript Temporal API types correctly in a Node.js REST API with PostgreSQL. Real Express code and examples, 2026.