MAX in PostgreSQL - Examples & AI Generator

Learning the MAX function in PostgreSQL can be a stumbling block for beginners and busy analysts alike. Syntax differences between SQL dialects add extra complexity—especially if you're used to other databases. AI2sql eliminates the need to memorize PostgreSQL MAX syntax by converting your questions or business needs into accurate SQL queries in seconds. No coding or reference-checking, just instant results.

MAX Syntax in PostgreSQL

Understanding the Function

The MAX function returns the largest value of a column in a result set. It's commonly used to find maximum sales, highest prices, latest dates, and more.

• PostgreSQL Syntax:
  

  SELECT MAX(column_name) FROM table_name;

• Works with numeric, date, and text data (returns *highest* value).

MAX Examples You Can Generate Instantly

Copy, use, or modify—each one designed for real business scenarios. For even faster results, get these instantly (no coding required) with AI2sql.

1. Find Highest Order Total

SELECT MAX(total_amount) FROM orders;

2. Latest Customer Signup Date

SELECT MAX(signup_date) FROM customers;

3. Most Expensive Product in Category

SELECT MAX(price) FROM products WHERE category = 'Electronics';

Generate MAX queries in 10 seconds with AI2sql

Why Use AI2sql Instead of Manual MAX Coding

• Speed: Go from request to query in 10 seconds—no syntax errors, no reference guides.

• Accuracy: AI2sql knows every nuance of PostgreSQL MAX syntax.

• Scale: 50,000+ users in 80+ countries trust AI2sql for daily SQL generation.

• Zero coding required: Turn business questions into instant, production-ready SQL.

Prefer to learn by doing? Learn MAX in depth or Try AI2sql Generator for hands-on practice.

FAQ: MAX in PostgreSQL

• What data types work with MAX? MAX works on numeric, date, and text columns (returns the highest value per SQL's rules).

• Is there a difference between MAX in PostgreSQL and other databases? The core usage is the same, but PostgreSQL has stricter type handling and supports advanced expressions in SELECT.

• Can I use MAX with GROUP BY? Yes! Combine MAX and GROUP BY to get maximums per category or customer.

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