Schema Element for EventClass (ADF)
Contains elements that define event class fields.
구문
<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 |
주의
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.
예
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>
참고 항목
참조
Application Definition File Reference
관련 자료
핵심 이벤트 클래스 속성 정의
인스턴스 및 응용 프로그램 업데이트