Can we schedule the New Learning Assignment Alert Hourly?

Summary:

What is the maximum and advisable frequency to schedule the alert - New Learning Assignment? We tried hourly but we can see some duplicate records. Below is the filter used and the schedule run

Content (please ensure you mask any confidential information):

We have these filter from the alert:

<earnerLearningRecords>

${assignmentStatus} = 'ORA_ASSN_REC_ACTIVE'

${assignmentSubStatus} = 'ORA_ASSN_REC_NOTSTARTED'

${learningItemType} = 'ORA_COURSE' OR ${learningItemType} = 'ORA_SPECIALIZATION'

${assignmentCreatedDate} >= sysdate - 1

<learnerLearningRecords/primarySelectedCourseOffering>

${offeringDeliveryMode} = 'ORA_SP' OR ${offeringDeliveryMode} = 'ORA_ILT' OR ${offeringDeliveryMode} = 'ORA_BLENDED'

Version (include the version you are using, if applicable):

23D

Code Snippet (add any code snippets that support your topic, if applicable):