Goal	Best Practice
Using the most efficient operations	<ul><li>Use the getUpdated() and getDeleted() SOAP API to sync an external system with Salesforce at intervals greater than 5 minutes. Use the outbound messaging feature for more frequent syncing.</li><li>When using a query that can return more than one million results, consider using the query capability of the Bulk API 2.0, which might be more suitable.</li></ul>