---
title: "SQL Server Database Engine Backward Compatibility | Microsoft Docs"
ms.custom: ""
ms.date: "06/13/2017"
ms.prod: "sql-server-2014"
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ms.technology: 
ms.topic: conceptual
helpviewer_keywords: 
  - "backward compatibility [SQL Server], Database Engine"
  - "backward compatibility [Database Engine]"
  - "deprecation [SQL Server]"
  - "Database Engine [SQL Server], backward compatibility"
ms.assetid: 10de5ec6-d3cf-42ef-aa62-1bdf3fbde841
author: MikeRayMSFT
ms.author: mikeray
manager: craigg
---
# SQL Server Database Engine Backward Compatibility
  Topics in the backward compatibility section describe changes in behavior between versions of [!INCLUDE[ssNoVersion](../includes/ssnoversion-md.md)].  
  
|Topic|Description|  
|-----------|-----------------|  
|[Deprecated Database Engine Features in SQL Server 2014](deprecated-database-engine-features-in-sql-server-2016.md)|Deprecated [!INCLUDE[ssDE](../includes/ssde-md.md)] features in this release.|  
|[Discontinued Database Engine Functionality in SQL Server 2014](discontinued-database-engine-functionality-in-sql-server-2016.md)|Discontinued [!INCLUDE[ssDE](../includes/ssde-md.md)] features in this release.|  
|[Breaking Changes to Database Engine Features in SQL Server 2014](breaking-changes-to-database-engine-features-in-sql-server-2016.md)|[!INCLUDE[ssDE](../includes/ssde-md.md)] feature changes that might require changes to applications.|  
|[Behavior Changes to Database Engine Features in SQL Server 2014](../../2014/database-engine/behavior-changes-to-database-engine-features-in-sql-server-2014.md)|Other changes to database features in this release.|