how to get total number of child records in lookup relationship

Apex trigger to create and count the number of child records associated with parent object based on custom field when parent record is created/updated in Salesforce | Count the number of child record using trigger in Salesforce

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Apex trigger to count child records -- w3web.net

Hey guys, today in this post we are going to learn about Apex trigger to create and count the number of child records associated with parent object based on custom field when parent record is created/updated in Salesforce. Real time scenarios:- Write a trigger on parent object where create a custom field as Employee (Number … Read more →