Select Lists in PostgreSQL || Queries in PostgreSQL || Best PostgreSQL T...

🔍 Welcome to the Ultimate PostgreSQL Tutorial Series!
In this video (#37), we dive deep into one of the most crucial parts of any SQL query—the SELECT list. Whether you're a beginner or brushing up your database skills, this tutorial will guide you through the many ways PostgreSQL lets you customize the data you retrieve.

👨‍💻 What You'll Learn:

• How to select all or specific columns

• Using table aliases for cleaner queries

• Creating computed columns with expressions

• Renaming outputs with column aliases (AS)

• Eliminating duplicates with DISTINCT and DISTINCT ON

• Leveraging subqueries, functions, and CASE expressions

• Working with JSON, arrays, and aggregate functions

• Using LIMIT, OFFSET, and even SELECT without a FROM clause

• Advanced techniques like CTEs (Common Table Expressions)

✨ With practical examples, best practices, and performance tips, this tutorial is your go-to guide for mastering SELECT lists in PostgreSQL!

🧠 Next Video: Combining Queries in PostgreSQL – UNION, INTERSECT, EXCEPT
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