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title: "SCHEMA_NAME (Transact-SQL) | Microsoft Docs"
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# SCHEMA_NAME (Transact-SQL)
[!INCLUDE[tsql-appliesto-ss2008-all_md](../../includes/tsql-appliesto-ss2008-all-md.md)]

  Returns the schema name associated with a schema ID.  
  
 ![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  
  
```  
-- Syntax for SQL Server, Azure SQL Database, Azure SQL Data Warehouse, Parallel Data Warehouse  
  
SCHEMA_NAME ( [ schema_id ] )  
```  
  
## Arguments  
  
|Term|Definition|  
|----------|----------------|  
|*schema_id*|The ID of the schema. *schema_id* is an **int**. If *schema_id* is not defined, SCHEMA_NAME will return the name of the default schema of the caller.|  
  
## Return Types  
 **sysname**  
  
 Returns NULL when *schema_id* is not a valid ID.  
  
## Remarks  
 SCHEMA_NAME returns names of system schemas and user-defined schemas. SCHEMA_NAME can be called in a select list, in a WHERE clause, and anywhere an expression is allowed.  
  
## Examples  
  
### A. Returning the name of the default schema of the caller  
  
```  
SELECT SCHEMA_NAME();  
GO  
```  
  
### B. Returning the name of a schema by using an ID  
  
```  
USE AdventureWorks2012;  
GO  
SELECT SCHEMA_NAME(5);  
GO  
```  
  
## Examples: [!INCLUDE[ssSDWfull](../../includes/sssdwfull-md.md)] and [!INCLUDE[ssPDW](../../includes/sspdw-md.md)]  
  
### C. Returning the name of the default schema of the caller  
  
```  
SELECT SCHEMA_NAME();  
```  
  
### D. Returning the name of a schema by using an ID  
  
```  
SELECT SCHEMA_NAME(1);  
```  
  
## See Also  
 [Expressions (Transact-SQL)](../../t-sql/language-elements/expressions-transact-sql.md)   
 [SCHEMA_ID (Transact-SQL)](../../t-sql/functions/schema-id-transact-sql.md)   
 [sys.schemas (Transact-SQL)](../../relational-databases/system-catalog-views/schemas-catalog-views-sys-schemas.md)   
 [sys.database_principals (Transact-SQL)](../../relational-databases/system-catalog-views/sys-database-principals-transact-sql.md)   
 [Metadata Functions (Transact-SQL)](../../t-sql/functions/metadata-functions-transact-sql.md)   
 [WHERE (Transact-SQL)](../../t-sql/queries/where-transact-sql.md)