Specifies whether the database fields mapped to the property can hold NULL .

property

A persistent property that is mapped using one of the field mappings.

Nullable

Declares whether the database fields mapped to the property can hold NULL . The default value is true.

Remarks

This feature marks fields mapped to the property as nullable or not nullable. The schema compiler uses these declarations to generate the appropriate (nullable or not nullable) column constraints in the database creation script.

Requirements

Type: TechTalk.Genome.Mapping.NullableXmlData

Assembly: TechTalk.Genome.dll

Version: 4.2.4

Editions: Professional, Evaluation, Express

Database Platforms: Microsoft SQL Server 2000, Microsoft SQL Server 2005, Oracle 9i Release 2, Oracle 10g Release 2

See Also

XmlMapping.Elements.PersistentField | <NearObjectReference> Element