DISTINCT in SQL Server - Examples & AI Generator

Getting unique records is fundamental for SQL Server users—but remembering the exact DISTINCT syntax can be a challenge, especially as you switch between database systems. AI2sql offers a fast, no-coding solution: just describe your data need, and it writes the right DISTINCT query for SQL Server in 10 seconds. This guide walks you through the official syntax, business-ready examples, and when AI2sql saves time versus manual coding.

DISTINCT Syntax in SQL Server

The DISTINCT keyword returns only unique values in the result set. Here’s the SQL Server-specific syntax:

SELECT DISTINCT column1, column2, ...
FROM table_name;

• Use DISTINCT after SELECT to filter duplicate rows.

• Works with single or multiple columns—SQL Server ensures the unique combination.

DISTINCT Examples You Can Generate Instantly

Below are practical, business-focused DISTINCT SQL Server examples—ready to copy or instantly generate with AI2sql:

Get Unique Customer Cities

SELECT DISTINCT City
FROM Customers;

List Unique Product Categories

SELECT DISTINCT Category
FROM Products;

Find Distinct Customer-Product Pairs for Year 2024 Orders

SELECT DISTINCT CustomerID, ProductID
FROM Orders
WHERE OrderDate >= '2024-01-01' AND OrderDate <= '2024-12-31';

Generate DISTINCT queries in 10 seconds with AI2sql

Why Use AI2sql Instead of Manual DISTINCT Coding

• Instant generation: Write complex or simple DISTINCT queries in seconds—no syntax memorization.

• Database-specific output: AI2sql adapts syntax for SQL Server versus other platforms.

• No coding required: Describe your need; get optimized SQL back fast.

• Trusted worldwide: 50,000+ users in 80+ countries rely on AI2sql for query writing.

Try AI2sql Generator | Learn DISTINCT

FAQ: DISTINCT in SQL Server

• Q: Can I use DISTINCT with multiple columns in SQL Server?
  A: Yes. SELECT DISTINCT col1, col2 returns unique combinations of both columns.

• Q: Is there a performance difference using DISTINCT in large SQL Server tables?
  A: DISTINCT may require sorting or grouping, which can impact speed on large datasets. Optimize queries and indexes as needed.

If you want fast, reliable DISTINCT queries without checking docs, AI2sql generates production-ready SQL Server code in seconds. Generate Your First Query Now—spend time analyzing data, not memorizing syntax.