---
description: "@@MAX_PRECISION (Transact-SQL)"
title: "@@MAX_PRECISION (Transact-SQL) | Microsoft Docs"
ms.custom: ""
ms.date: "09/18/2017"
ms.prod: sql
ms.prod_service: "database-engine, sql-database"
ms.reviewer: ""
ms.technology: t-sql
ms.topic: reference
f1_keywords: 
  - "@@MAX_PRECISION_TSQL"
  - "@@MAX_PRECISION"
dev_langs: 
  - "TSQL"
helpviewer_keywords: 
  - "precision [SQL Server], @@MAX_PRECISION"
  - "numeric data type, precision level"
  - "decimal data type, precision level"
  - "@@MAX_PRECISION function"
  - "data types [SQL Server], precision"
ms.assetid: 9e7158a1-e503-422a-b326-3c9b06e181b2
author: cawrites
ms.author: chadam
---
# @@MAX_PRECISION (Transact-SQL)
[!INCLUDE [SQL Server SQL Database](../../includes/applies-to-version/sql-asdb.md)]

  Returns the precision level used by **decimal** and **numeric** data types as currently set in the server.  
  
 ![Topic link icon](../../database-engine/configure-windows/media/topic-link.gif "Topic link icon") [Transact-SQL Syntax Conventions](../../t-sql/language-elements/transact-sql-syntax-conventions-transact-sql.md)  
  
## Syntax  
  
```syntaxsql
@@MAX_PRECISION  
```  
  
[!INCLUDE[sql-server-tsql-previous-offline-documentation](../../includes/sql-server-tsql-previous-offline-documentation.md)]

## Return Types
 **tinyint**  
  
## Remarks  
 By default, the maximum precision returns 38.  
  
## Examples  
  
```sql  
SELECT @@MAX_PRECISION AS 'Max Precision'  
```  
  
## See Also  
 [Configuration Functions (Transact-SQL)](../../t-sql/functions/configuration-functions-transact-sql.md)   
 [decimal and numeric (Transact-SQL)](../../t-sql/data-types/decimal-and-numeric-transact-sql.md)   
 [Precision, Scale, and Length (Transact-SQL)](../../t-sql/data-types/precision-scale-and-length-transact-sql.md)