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FieldName Element for SubscriptionClass/Schema/Field (ADF)

Specifies the user-defined name of the subscription field.

語法

<SubscriptionClasses>
    <SubscriptionClass>
        ...
        <Schema>
            <Field>
                <FieldName>

Element Characteristics

Characteristic Description

Data type

string, between 1 and 128 characters in length.

Default value

None.

Occurrence

Required once per Field element.

Updates

Can be modified, but not added or deleted, when updating the application.

Element Relationships

Relationship Elements

Parent element

Field Element for SubscriptionClass/Schema (ADF)

Child elements

None.

備註

Field names must start with a letter or underscore character and can contain letters, numbers, and the characters _, #, @ and $. They must also conform to Microsoft SQL Server identifier conventions. For more information about SQL Server identifiers, see 識別碼.

ms145387.note(zh-tw,SQL.90).gif重要事項:
You cannot name a subscription field Created, Enabled, SubscriberId, SubscriptionId, or Updated. SQL Server 2005 Notification Services already uses these field names internally.

If you update a FieldName element, updating the application re-creates the subscription class to which it corresponds. A new subscription table is created, and the existing subscription table is renamed to SubscriptionTableNameOld. Existing subscription table indexes are left unchanged.

If you want to transfer data between the old and new subscription tables, it must be done manually. For more information, see 更新應用程式.

範例

The following example shows a FieldName element.

<FieldName>SubscriberLocale</FieldName>

請參閱

參考

Application Definition File Reference

其他資源

定義訂閱結構描述
更新執行個體及應用程式

說明及資訊

取得 SQL Server 2005 協助