---
title: "Data Mining Extensions (DMX) Syntax Conventions | Microsoft Docs"
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ms.date: "03/02/2016"
ms.prod: "sql-server-2016"
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  - "analysis-services/data-mining"
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dev_langs: 
  - "DMX"
helpviewer_keywords: 
  - "Data Mining Extensions [Analysis Services], syntax conventions"
  - "syntax [DMX]"
  - "DMX [Analysis Services], syntax conventions"
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---
# Data Mining Extensions (DMX) Syntax Conventions
[!INCLUDE[tsql-appliesto-ss2008-xxxx-xxxx-xxx_md](../includes/tsql-appliesto-ss2008-xxxx-xxxx-xxx-md.md)]

  The Data Mining Extensions (DMX) reference documentation in [!INCLUDE[msCoName](../includes/msconame-md.md)] [!INCLUDE[ssNoVersion](../includes/ssnoversion-md.md)] [!INCLUDE[ssASnoversion](../includes/ssasnoversion-md.md)] uses the following conventions to describe the DMX language.  
  
|Convention|Usage|  
|----------------|-----------|  
|**bold**|DMX keywords and text that must be typed exactly as shown.|  
|*italic*|User-supplied arguments of DMX syntax.|  
|| (vertical bar)|Used to separate syntax items within brackets or braces. You can choose only one of the items.|  
|`[ ]` (brackets)|Contain optional syntax items. Do not type the brackets.|  
|{ } (braces)|Contain required syntax items. Do not type the braces.|  
|, ...|Indicates that the item before the comma can be repeated any number of times. The items are separated by commas.|  
|\<label> ::=|The name for a block of syntax. This convention is used to group and label sections of lengthy syntax or a unit of syntax that can be used in more than one location within a statement. Each location in which the block of syntax can be used is indicated with the label enclosed in chevrons, such as \<label>.|  
  
## See Also  
 [Data Mining Extensions &#40;DMX&#41; Reference](../dmx/data-mining-extensions-dmx-reference.md)