Schema Element for EventClass (ADF)
Contains elements that define event class fields.
Sintaxis
<EventClasses>
<EventClass>
...
<Schema>
Element Characteristics
| Characteristic | Description |
|---|---|
Data type |
None. |
Default value |
None. |
Occurrence |
Required once per EventClass element. |
Updates |
Cannot be added or deleted when updating the application. |
Element Relationships
| Relationship | Elements |
|---|---|
Parent element |
|
Child elements |
Notas
An event class schema defines an event class table in the application database. Notification Services automatically adds ID columns to this definition when creating the database table.
Ejemplo
The following example shows a Schema element that creates two event fields: a 10-character stock symbol field, and a stock price field that accepts monetary data.
<Schema>
<Field>
<FieldName>StockSymbol</FieldName>
<FieldType>char(10)</FieldType>
<FieldTypeMods>NOT NULL</FieldTypeMods>
</Field>
<Field>
<FieldName>StockPrice</FieldName>
<FieldType>money</FieldType>
<FieldTypeMods>NOT NULL DEFAULT 10</FieldTypeMods>
</Field>
</Schema>
Vea también
Referencia
Application Definition File Reference
Otros recursos
Definir propiedades principales de clase de evento
Actualizar instancias y aplicaciones