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title titleSuffix description author ms.author ms.reviewer ms.date ms.service ms.subservice ms.topic helpviewer_keywords
Database Engine: Breaking changes
SQL Server 2016
Learn about Database Engine changes in SQL Server 2016 (13.x) and earlier that might break previous-version functionality when you upgrade.
MikeRayMSFT
mikeray
randolphwest
12/30/2022
sql
release-landing
conceptual
Database Engine [SQL Server], what's new
breaking changes [SQL Server]

Breaking changes to Database Engine features in SQL Server 2016

[!INCLUDE SQL Server 2016]

This article describes breaking changes in the [!INCLUDEsssql15-md] [!INCLUDEssDE] and earlier versions of [!INCLUDEssNoVersion]. These changes might break applications, scripts, or functionalities that are based on earlier versions of [!INCLUDEssNoVersion]. You might encounter these issues when you upgrade.

Breaking changes in SQL Server 2016

  • The sample_ms column of sys.dm_io_virtual_file_stats has expanded from an int to a bigint data type.

  • The TimeStamp column of sys.fn_virtualfilestats has expanded from an int to a bigint data type.

  • Under database compatibility level 130, implicit conversions from datetime to datetime2 data types show improved accuracy by accounting for the fractional milliseconds, resulting in different converted values. Use explicit casting to datetime2 datatype whenever a mixed comparison scenario between datetime and datetime2 datatypes exists. For more information, see this Microsoft Support Article.

  • Under database compatibility level 130, operations that perform implicit conversions between certain numeric and datetime data types show improved accuracy and can result in different converted values. This includes usage of functions that require calculations such as DATEDIFF and ROUND. For more information, see this Microsoft Support Article.

Previous versions

For information about breaking changes in [!INCLUDEssSQL14], and in some earlier versions, see Breaking Changes to Database Engine Features in SQL Server 2014.

Archived documentation for old versions of SQL Server

[!INCLUDEprevious-versions-archive-documentation-sql-server]

See also