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dtaxml-element-dta.md

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title DTAXML Element (DTA)
description In the dta utility, the DTAXML element contains all elements that describe tuning input and output that the Database Engine Tuning Advisor generates.
author rwestMSFT
ms.author randolphwest
ms.date 12/16/2025
ms.service sql
ms.subservice tools-other
ms.topic reference
ms.collection
data-tools
helpviewer_keywords
DTAXML element
dev_langs
XML

DTAXML element (DTA)

[!INCLUDE SQL Server]

The root element of a Database Engine Tuning Advisor XML input or output file, DTAXML contains all elements that describe tuning input and the tuning output that Database Engine Tuning Advisor generates.

Syntax

<DTAXML
    xmlns:xsi = "http://www.w3.org/2001/XMLSchema-instance"
    xmlns = "http://schemas.microsoft.com/sqlserver/2004/07/dta">
    ...code removed here...
</DTAXML>

Element attributes

Attribute Description
xmlns:xsi Required. Identifies the XML Schema Instance namespace. Attributes from this namespace are used to reference the schema that is used to validate the Database Engine Tuning Advisor XML file.

Required value: http://www.w3.org/2001/XMLSchema-instance
xmlns Required. Identifies the Database Engine Tuning Advisor namespace.

If you edit the Database Engine Tuning Advisor XML file using the XML editor in [!INCLUDE ssManStudioFull], this value is used by F1 Help and Dynamic Help to locate possible reference articles in Microsoft Learn.

Required value: Database Engine Tuning Advisor XML Schema namespace.

Element characteristics

Characteristic Description
Data type and length None.
Default value None.
Occurrence Required once per DTA XML file.

Element relationships

Relationship Elements
Parent element None
Child elements DTAInput element (DTA)

DTAOutput element. For more information, see Database Engine Tuning Advisor XML schema.

Remarks

For more information about XML namespaces, see Namespaces in an XML Document.

Examples

For examples of typical DTAXML elements, see XML Input File Samples (DTA).

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