Batch Apex running mode (parallel and series) and how to maintain state in it

In my early post, I’d shared about how to write a Schedulable Batch Apex in Salesforce, and I’ll show you how transactions run in batch Apex and how to maintain their state across these transactions in this post. Batch Apex running mode (parallel / series) As we know, each execution of a batch Apex job […]

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Using Aggregate SOQL queries/results in Batch Apex

In previous post, we had created a schedulable batch apex that implements Database.Batchable<sObject> in Salesforce, but if you want to use SOQL having aggregate functions like SUM(), MAX(), COUNT() on results grouped by “GROUP BY” clause in start execution, changing to interface Database.Batchable<AggregateResult> isn’t a workable way, because it fails with the below compile error […]

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