PostgreSQL WHERE, SELECT, UPPER, LOWER & BETWEEN Operator | Complete Tutorial with Use Cases

Published: 24 June 2026
on channel: Data_Analytics_Learn_More
27
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Learn essential PostgreSQL commands and functions in this complete tutorial! 🚀

In this video, you'll master:

✅ SELECT Statement – Retrieve data from tables
✅ WHERE Clause – Filter records with conditions
✅ BETWEEN Operator – Select values within a range
✅ UPPER() Function – Convert text to uppercase
✅ LOWER() Function – Convert text to lowercase

Whether you're a beginner or preparing for Data Analyst, SQL Developer, or Database Administrator interviews, this PostgreSQL tutorial will help you understand these important concepts with practical examples.

📌 Topics Covered:

PostgreSQL SELECT Command
PostgreSQL WHERE Clause
PostgreSQL BETWEEN Operator
PostgreSQL UPPER Function
PostgreSQL LOWER Function
Real-World SQL Queries
Hands-On PostgreSQL Examples

🎯 Perfect For:

SQL Beginners
Data Analysts
Data Scientists
Database Developers
Business Intelligence Professionals

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