PostgreSQL Day 7: CTE, CASE Statement, Date/Time Analysis & Views

Welcome to Day 7 of the PostgreSQL Series! ⏳📊

In this session, we cover advanced SQL features that help you write cleaner, more efficient queries. Whether you're building reports or working with complex data, these techniques will make your queries more powerful and versatile.

🔹 Common Table Expressions (CTE)
 ◾ Simplify complex queries with WITH clause
 ◾ Recursive CTE for hierarchical data

🔹 CASE Statement
 ◾ Conditional logic inside SQL queries
 ◾ Use in SELECT, WHERE, and ORDER BY

🔹 Date and Time Analysis
 ◾ Working with DATE, TIME, and TIMESTAMP
 ◾ Date functions like CURRENT_DATE, EXTRACT, DATE_TRUNC, etc.

🔹 Views
 ◾ Creating and using views for reusable queries
 ◾ Benefits of views for security and simplification

💡 Watch for detailed examples and practical use cases to help you understand these key concepts.

Видео PostgreSQL Day 7: CTE, CASE Statement, Date/Time Analysis & Views канала EduTECH Pune