1. Future MethodWe can avoid Mixed DML issue by running two different transactions. Call outs to the external Web Services can be executed asynchronously. 2. Batch ApexMainly used for large data volumes. It supports millions of data to be processed. https://www.infallibletechie.com/2012/05/batch-apex.html 3. Queueable ApexSimilar to Future Method. It supports non-primitive data types while passing values … Continue reading Salesforce Asynchronous Apex