Altova XMLSpy 2024 Enterprise Edition

When an XML Schema is generated from an MS SQL Server database (DB), the MS SQL Server DB datatypes are converted to XML Schema datatypes as listed in the table below.

 

XML Schema Datatype

MS SQL Server Datatype

ID

uniqueidentifier

xs:string

If no facets

 

{ if UNICODE nvarchar (255)

 

else varchar (255) }

 

else

 

{ if UNICODE

 

(Size = either length or maxLength)

 

If Size <= 4000

 

if FacetLengthIsSet then nChar

 

else nVarChar

 

if Size <= 1073741823 then nText }

 

else

 

{ if NON-UNICODE

 

(Size = either length or maxLength)

 

If Size <= 8000

 

if FacetLengthIsSet then char

 

else varchar

 

if Size <= 2147483647 then text }

xs:normalizedString

Same as xs:string

xs:token

Same as xs:string

xs:Name

Same as xs:string

xs:NCName

Same as xs:string

xs:anyURi

Same as xs:string

xs:QName

Same as xs:string

xs:NOTATION

Same as xs:string

xs:boolean

bit

xs:float

real

xs:double

float

xs:decimal

decimal

xs:duration

datetime

xs:dateTime

datetime

xs:time

datetime

xs:date

datetime

xs:gYearMonth

datetime

xs:gYear

datetime

xs:gMonthDay

datetime

xs:gDay

datetime

xs:gMonth

datetime

xs:hexBinary

If no facets varbinary (255)

 

(Size = either length or maxLength

 

If Size <= 8000

 

if FacetLengthIsSet then binary

 

else varbinary

 

if Size <= 2147483647 then image

xs:base64Binary

Same as xs:hexBinary

xs:integer

int

xs:int

int

xs:negativeInteger

Int (constrained to {...,-2,-1})

xs:positiveInteger

Int (constrained to {1,2,...})

xs:nonNegativeInteger

int (constrained to {0,1,2,...})

xs:nonPositiveInteger

int (constrained to {...,-2,-1,0})

xs:unsignedInt

int (additional constraints)

xs:short

smallint

xs:unsignedShort

smallint (additional constraints)

xs:long

bigint

xs:unsignedLong

bigint (additional constraints)

xs:byte

tinyint

xs:unsignedByte

tinyint (additional constraints)

 

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