Contents
What is the use of Apex class in Salesforce?
Apex is a multitenant language provided by Salesforce to write backend code whenever you want to create your own custom business application. You can write Apex Code in both triggers and classes, and it can be initiated by triggers on the objects or web-service requests.
Are databases inserted asynchronous?
One is insert the order data into the database synchronously，the other ，which is asynchronous ,put the order data into a message queue(MSMQ technology),then using threads to receive the order data,finally,insert the data into database.
Why do we need Apex classes?
In addition to classes, Apex provides triggers, similar to database triggers. A trigger is Apex code that executes before or after database operations. See Triggers. In Apex, you can have static methods, variables, and initialization code.
How does apex trigger work?
Apex triggers enable you to perform custom actions before or after events to records in Salesforce, such as insertions, updates, or deletions. Just like database systems support triggers, Apex provides trigger support for managing records.
What are the benefits of using APEX classes?
One of the benefits of Apex classes is code reuse. Class methods can be called by triggers and other classes. The following tutorial walks you through saving an example class in your organization, using this class to send emails, and inspecting debug logs. Open the Developer Console under Your Name or the quick access menu ( ).
What are the advantages of using Oracle apex?
One of the greatest advantages of Oracle APEX is that you have native access to all the capabilities of Oracle Database. Learn what it means to be powered by Oracle and explore all of the features and benefits available to you.
When do you use database methods in apex?
Suppose we need to update the status field of Invoice object but at the same time, we also require information like status of records, failed record ids, success count, etc. This is not possible by using DML Statements, hence we must use Database methods to get the status of our operation.
Is it worth it to get apex for free?
This makes sense from a financial perspective as well, while much Oracle developer licensing carries license and support fees, Apex is free and likely already installed in your database.