Soql query to delete duplicate records. Ex. So looking for a quick fix in the mean time. 4 EDIT: Is there a way where I could just loop through my list and remove the duplicates? It should be easy but I've been having trouble with it. Efficient Storage: Removing duplicates helps optimize storage usage, keeping your database lean. Using aggregate functions in the SOQL query helped me identify duplicate accounts. Count the number of records that meet specified criteria. We Tried on Structure of Batch Class and want to write logic for duplication over custom object. So I am trying different query to solve this issue. This guide introduces you to the Apex development process and provides valuable information on learning, writing, deploying and testing Apex. The simplest way to use this is with the DISTINCT keyword at the start of the SELECT list.