---
title: "System Functions by category"
ms.date: "11/02/2016"
ms.prod: sql
ms.prod_service: "database-engine"
ms.reviewer: ""
ms.technology: system-objects
ms.topic: "language-reference"
dev_langs: 
  - "TSQL"
helpviewer_keywords: 
  - "system stored functions [SQL Server]"
ms.assetid: 8ad860e7-e054-4186-80a2-03977e42531d
author: "rothja"
ms.author: "jroth"
ms.custom: seo-dt-2019
---
# System Functions by category for Transact-SQL
[!INCLUDE[tsql-appliesto-ss2012-xxxx-xxxx-xxx-md](../../includes/tsql-appliesto-ss2012-xxxx-xxxx-xxx-md.md)]

  [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] provides the following groups of system functions.  
  
## In This Section  
 [Always On Availability Groups functions](../../relational-databases/system-functions/always-on-availability-groups-functions-transact-sql.md)  
 [Change Data Capture functions](../../relational-databases/system-functions/change-data-capture-functions-transact-sql.md)  
 [Change Tracking functions](../../relational-databases/system-functions/change-tracking-functions-transact-sql.md)  
 [Data Collector functions](../../relational-databases/system-functions/data-collector-functions-transact-sql.md)  
 [Filestream and FileTable functions](../../relational-databases/system-functions/filestream-and-filetable-functions-transact-sql.md)  
 [Managed Backup functions](../../relational-databases/system-functions/managed-backup-functions-transact-sql.md)  
 [Queries and extended events functions](../../relational-databases/system-functions/sys-fn-get-sql-transact-sql.md)  
 [Full-Text Search and Semantic Search functions](../../relational-databases/system-functions/full-text-search-and-semantic-search-functions-transact-sql.md)  
 [System Metadata functions](../../relational-databases/system-functions/system-metadata-functions.md)  
 [System Security functions](../../relational-databases/system-functions/system-security-functions.md)  
 [System Trace functions](../../relational-databases/system-functions/system-trace-functions.md)