Batch Apex vs Queueable Class in Salesforce
Both Batch Apex and Queueable Apex are used for asynchronous processing in Salesforce, but they have different use cases and characteristics. Let's define each and provide an example with sample code for both: Batch Apex: Batch Apex allows you to process large data sets by breaking them into smaller batches, which are processed asynchronously in the background. Batch Apex is designed for long-running processes and can handle millions of records efficiently. Use Cases for Batch Apex: Large-scale data processing, such as data cleansing, data migration, or data aggregation. Complex calculations or transformations on a large volume of records. Integration with external systems that involve processing large data sets. Example : Suppose you have a requirement to update the status of all opportunities with a certain criteria asynchronously. You can use Batch Apex to process these records in batches. public class OpportunityBatch implements Database.Batchable<sObject> { publ...
