Table of Contents
How does Salesforce handle recursive triggers?
Best practice for triggers: Handle recursion – To avoid the recursion on a trigger, make sure your trigger is getting executed only one time. You may encounter the error : ‘Maximum trigger depth exceeded’, if recursion is not handled well.
What is a recursive trigger and how can we avoid it?
To avoid recursive triggers you can create a class with a static Boolean variable with default value true. In the trigger, before executing your code keep a check that the variable is true or not. Once you check make the variable false.
What is the best practices of writing triggers in Salesforce?
Apex Trigger Best Practices
- Best Practice #1: Bulkify Your Code. Bulkifying Apex code ensures that the code that you are running is able to effectively handle more than a single record at once.
- Best Practice #2: Avoid SOQL Queries or DML statements inside FOR Loops.
- Best Practice #3: Bulkify Helper Methods.
What are the limitations of triggers in Salesforce?
Limitations of Workflows That Triggers in Salesforce Overcome
- Workflows cannot create or update a separate object.
- You can’t reference certain fields when using workflows.
- You will not have your workflow doing more than just field updates and emails.
What is the difference between trigger new and trigger newMap?
new is simply a list of the records being processed by the trigger, so if all you need to do is loop through them then you can use that. trigger. newMap just allows you to target specific records by Id should you not need to process everything, or if you need to map other records back to these.
How many types of recursion occurs when Recursive triggers Enable?
How many types of recursion occure when Recursive triggers enable? Explanation: Recursive triggers enable the following types of recursion to occur:Indirect recursion and Direct recursion. 8. In which type of recursion the application updates table T1.
What is the difference between Apex and triggers?
Classes consist of other classes, user-defined methods, variables, exception types, and static initialization code A trigger is Apex code that executes before or after specific data manipulation language (DML) events occur, such as before object records are inserted into the database, or after records have been deleted …
What are trigger best practices?
Best Practice to Follow while writing trigger
- One Trigger Per Object.
- Logic-less Triggers.
- Context-Specific Handler Methods.
- Bulkify your Code.
- Avoid using DML statements and SOQL Queries inside FOR Loops.
- Using Collections, Streamlining Queries, and Efficient For Loops.
- Querying Large Data Sets.
How many types of triggers are there in Salesforce?
two different types
There are two different types of Apex triggers within Salesforce: “Before” Apex Triggers. These are used to update or validate the value in a record before you save it to your Salesforce database. “After” Apex Triggers.
What are the considerations while implementing the triggers?
Various Considerations while implementing triggers in Salesforce are:
- upsert triggers fire both before and after insert or before and after update triggers as appropriate.
- merge triggers fire both before and after delete for the losing records, and both before and after update triggers for the winning record.
Why we use triggers in Salesforce?
As you can see, the primary role of triggers is to automate your data management and workflow in Salesforce. Triggers enable you to perform custom actions (for example, update an account) before or after changes to Salesforce records.
Can we use trigger new () in Before & After trigger?
Trigger. New: Trigger. new returns List of new records which are trying to insert into Database. This is available in Before Insert, Before Update, After Insert, After Update Triggers and undelete Triggers.