PostgreSQL Interview Questions and Answers | How to Pass a PostgreSQL Interview скачать в хорошем качестве

PostgreSQL Interview Questions and Answers | How to Pass a PostgreSQL Interview

Are you preparing for a PostgreSQL interview? Whether you're a beginner or an experienced developer, this video covers the most commonly asked PostgreSQL interview questions along with clear and concise answers to help you succeed. In this video, you'll learn: Core PostgreSQL concepts and architecture SQL queries and performance tuning techniques Indexing, constraints, and normalization Stored procedures and functions Real-world scenario-based questions Tips to impress interviewers Perfect for: Software Developers Data Analysts Database Administrators Students and tech job seekers Subscribe for more tech interview prep, database tutorials, and career tips. 1. What is PostgreSQL? 2. What are the key features of PostgreSQL? 3. Explain Multi-Version Concurrency Control (MVCC) in PostgreSQL. 4. What is the difference between a primary key and a foreign key? 5. What are the main types of constraints in PostgreSQL? 6. How does PostgreSQL handle indexing? What types of indexes are available? 7. What is table partitioning in PostgreSQL? 8. What is a trigger in PostgreSQL? How is it used? 9. How can you back up a PostgreSQL database? 10. What is the purpose of the pg\_dump utility? 11. What is PL/Python in PostgreSQL? 12. How do you change a column's datatype in PostgreSQL? 13. What is CTID in PostgreSQL? 14. How do you update statistics in PostgreSQL? 15. What is normalization in the context of PostgreSQL databases? 16. How can you avoid unnecessary locking in PostgreSQL? 17. What is Write Ahead Logging (WAL) in PostgreSQL? 18. What are some advantages and disadvantages of PostgreSQL? 19. How does PostgreSQL support cloud deployments? 20. What are some common procedural languages supported by PostgreSQL? 21. What is the difference between GiST and BRIN indexes? 22. What are some database administration tools for PostgreSQL? 23. How does PostgreSQL handle transactions and isolation levels? 24. What are exclusion constraints in PostgreSQL? 25. How does PostgreSQL support full-text search? #PostgreSQL #DatabaseInterview #TechInterview #PostgreSQLInterviewQuestions #SQL #CareerTips