Welcome to SQL Documentation
Dive into the comprehensive resources for Microsoft SQL Server and related data technologies. Whether you're a beginner looking to learn the basics or an expert seeking advanced techniques, you'll find the information you need to build, manage, and optimize your databases.
Featured Resources
Explore the most popular and newly updated content to stay current with the latest features and best practices.
Getting Started with SQL Server 2022
A step-by-step guide for new users to install and configure SQL Server.
Learn More →T-SQL Language Reference Updates
Discover the new functions and syntax improvements in the latest T-SQL release.
View Updates →Performance Tuning Best Practices
Optimize your queries and database performance with expert advice.
Read Best Practices →Quick Links
Access essential documentation and tools quickly.
T-SQL Syntax Cheat Sheet
A handy reference for common T-SQL commands and statements.
View Cheat Sheet →SQL Server Architecture Overview
Understand the core components and how they interact.
Explore Architecture →Sample Databases for Download
Get hands-on experience with our provided sample databases.
Download Samples →Latest News & Updates
Example: Basic SELECT Statement
Here's a simple example of how to retrieve data using a SELECT statement in T-SQL:
SELECT CustomerID, CompanyName, ContactName
FROM Customers
WHERE Country = 'Germany';
This query selects the `CustomerID`, `CompanyName`, and `ContactName` from the `Customers` table for all customers located in Germany.
Learn more about SELECT statements →