A Salesforce org has more than 50,000 contacts. A new business process requires a calculation that aggregates data from all of these contact records. This calculation needs to run once a day after business hours. Which two steps should a developer take to accomplish this? (Choose two.)
A. Use the @future annotation
B. Implement the Schedulable interface
C. Implement the Database.Batchable interface
D. Implement the Queuable interface
Suggest answer: BD
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