How many times trigger will fire in Salesforce?

Triggers can fire twice, once before workflows and once after workflows. Review step 12 in Trigger and Order of Execution. The before and after triggers fire one more time only when something needs to be updated.

What are different types of triggers in Salesforce?

Here is a list of trigger events in salesforce:

  • before insert.
  • before update.
  • before delete.
  • after insert.
  • after update.
  • after delete.
  • after undelete.

What are Salesforce triggers?

What is Triggers in Salesforce? A trigger is an Apex script that executes before or after data manipulation language (DML) events occur. Apex triggers enable you to perform custom actions before or after events to record in Salesforce, such as insertions, updates, or deletions.

What are the best practices for triggers in Salesforce?

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 times trigger will be executed?

Statement level triggers executes only once for each single transaction. Specifically used for data auditing purpose.

How many records can a trigger process at a time?

Per my knowledge you can process (apply DML action) on 10,000 records at a time, no matter it is in trigger or apex class.

What is the difference between workflow and trigger?

Workflow is automated process that fired an action based on Evaluation criteria and rule criteria. We can access a workflow across the object. Trigger is a piece of code that executes before or after a record is inserted or updated.

What is the difference between trigger new and trigger old?

new : Returns a list of the new versions of the sObject records. Note that this sObject list is only available in insert and update triggers, and the records can only be modified in before triggers. Trigger. old : Returns a list of the old versions of the sObject records.

How many records trigger can handle?

Triggers execute on batches of 200 records at a time. So if 400 records cause a trigger to fire, the trigger fires twice, once for each 200 records.

How many triggers can be applied to a object?

No, you can have n number of triggers in a single object and the best practice is to have only one trigger per object. Thanks.