When using SQL Server, it's usually nice to know what version of the server you're usingDebugging, upgrading, or optimizing performance is often made easier with version information to help drive your actions. One of the simplest methods of obtaining this information is through the use of the @@VERSION system function.

What is @@VERSION?
@@VERSION is 
an SQL Server global variable that returns the version, processor architecture, and operating system details for the current SQL Server instance.

Syntax:
    SELECT @@VERSION;

No parameters, no joins—just a simple SELECT.

Output Example

Running SELECT @@VERSION; might return something like:


    Microsoft SQL Server 2019 (RTM-CU16) (KB5000642) - 15.0.4223.1 (X64)
        Feb 20 2021 00:55:49
        Copyright (C) 2019 Microsoft Corporation
        Developer Edition (64-bit) on Windows 10 Pro 10.0 <X64> (Build 19042: )



This output gives you several key details:

  • Product name and edition (e.g., SQL Server 2019 Developer Edition)

  • Build number and CU (Cumulative Update)

  • OS and system architecture


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