Sybase
When an XML Schema is generated from a Sybase database (DB), the Sybase DB datatypes are converted to XML Schema datatypes as listed in the table below.
Sybase Datatype  | XML Schema Datatype  | 
char  | xs:string  | 
nchar  | xs:string  | 
varchar  | xs:string  | 
nvarchar  | xs:string  | 
text  | xs:string  | 
sysname-varchar(30)  | xs:string  | 
bit  | xs:boolean  | 
real  | xs:float  | 
float  | xs:float  | 
double  | xs:double  | 
decimal  | xs:decimal  | 
money  | xs:decimal  | 
smallmoney  | xs:decimal  | 
datetime  | xs:dateTime  | 
smalldatetime  | xs:dateTime  | 
timestamp  | xs:dateTime  | 
binary<=255  | xs:base64Binary  | 
varbinary<=255  | xs:base64Binary  | 
image  | xs:base64Binary  | 
integer  | xs:integer  | 
smallint  | xs:short  | 
tinyint  | xs:byte  |