FrequencySubDay Property
后续版本的 Microsoft SQL Server 将删除该功能。请避免在新的开发工作中使用该功能,并着手修改当前还在使用该功能的应用程序。
The FrequencySubDay property specifies the unit for the least significant portion of a scheduled activity.
语法
object
.FrequencySubDay [=value]
Parts
- object
An expression that evaluates to an object in the Applies To list.
- value
A long integer that specifies a daily occurrence for the scheduled activity as described in Settings.
Data Type
Long, enumerated
Modifiable
Read/write
Prototype (C/C++)
HRESULT GetFrequencySubDay(SQLDMO_FREQSUB_TYPE* pRetVal);
HRESULT SetFrequencySubDay(SQLDMO_FREQSUB_TYPE NewValue);
Settings
Constant | Value | Description |
---|---|---|
SQLDMOFreqSub_Hour |
8 |
The schedule reflects an activity scheduled using an hour as the unit. |
SQLDMOFreqSub_Minute |
4 |
The schedule reflects an activity scheduled using a minute as the unit. |
SQLDMOFreqSub_Once |
1 |
The schedule reflects an activity that occurs once on a scheduled unit. |
SQLDMOFreqSub_Unknown |
0 |
Subunits are not valid for the scheduled activity. |
SQLDMOFreqSub_Valid |
13 |
A mask to test schedule subfrequency validity. |
备注
The FrequencySubDay property specifies the unit for schedule evaluation for schedules for activities occurring several times in one day. Set the FrequencySubDayInterval property to specify the number units.