MS SQL Server
Cuando se genera un esquema XML a partir de una base de datos MS SQL Server, los tipos de datos MS SQL Server se convierten en tipos de datos XML Schema tal y como muestra la tabla que aparece a continuación:
| Tipo de datos MS SQL Server | Tipo de datos XML Schema | 
| uniqueidentifier | xs:ID | 
| char | xs:string | 
| nchar | xs:string | 
| varchar | xs:string | 
| nvarchar | xs:string | 
| text | xs:string | 
| ntext | xs:string | 
| sysname | xs:string | 
| bit | xs:boolean | 
| real | xs:float | 
| float | xs:double | 
| decimal | xs:decimal | 
| money | xs:decimal | 
| smallmoney | xs:decimal | 
| datetime | xs:dateTime | 
| smalldatetime | xs:dateTime | 
| binary | xs:base64Binary | 
| varbinary | xs:base64Binary | 
| image | xs:base64Binary | 
| integer | xs:integer | 
| smallint | xs:short | 
| bigint | xs:long | 
| tinyint | xs:byte |