Salesforce Interview Query – Half 2

world class ScheduleUpdate implements Schedulable{
    world void execute(SchedulableContext SC){}
}

world class ScheduleUpdate implements Schedulable
{
    world void execute(SchedulableContext sc) {
        // Implement any logic to be scheduled
        // We now name the batch class to be scheduled BatchContactUpdate b = new BatchContactUpdate ();
        //Parameters of ExecuteBatch(context,BatchSize) database.executebatch(b,200);
    }
}

17. What do you perceive about workflow in Salesforce?

Workflow permits automation of ordinary inner processes for saving time throughout a company. It helps in evaluating information as they’re created or up to date. It additionally determines whether or not an automatic motion should happen, akin to capabilities like follow-up emails, advertising actions, monitoring the shopper map journey, and extra.

A workflow rule is a container for numerous workflow directions, normally summed up in an if/then assertion.

18. What’s Apex in Salesforce?

Apex is a strongly typed OOP language that enables builders to execute transaction management statements and circulation on Salesforce platform servers along side calls to the API. Its syntax is much like Java and serves as database saved procedures. The code might be initiated through triggers on objects and requests from internet companies, they usually run on the Lightning platform.

Apex allows builders to include enterprise logic to system occasions, together with button clicks, Visualforce pages, and associated document updates.

19. What’s the distinction between public and world?

The general public entry modifier declares that this class is seen in your software or namespace. The worldwide entry modifier declares that this class is thought by all Apex code in all places

20. What’s the distinction between Aura and LWC?

There’s a explicit distinction between Aura and LWC. The LWC-based lightning part is constructed utilizing internet stack instruments, whereas the aura-based lightning elements are constructed utilizing HTML5 and JavaScript instruments.

21. What are lifecycle hooks in LWC ?

Ans: A lifecycle hook is a callback methodology triggered at a particular part of a part occasion’s lifecycle.

There are following hooks supported in LWC :

Constructor : Referred to as when the part is created.

Connectedcallback : Referred to as when the factor is inserted right into a doc. This hook flows from mother or father to little one.

RenderedCallback : Referred to as after each render of the part. This lifecycle hook is restricted to Lightning Internet Parts, it isn’t from the HTML customized parts specification. This hook flows from little one to mother or father. Ie its not a part of HTMLElement fairly outlined in LightningElement.

Disconnectedcallback : Referred to as when the factor is faraway from a doc. This hook flows from mother or father to little one.

Errorcallback  : Referred to as when a descendant part throws an error. The error argument is a JavaScript native error object, and the stack argument is a string. This lifecycle hook is restricted to Lightning Internet Parts, it isn’t from the HTML customized parts specification

22. How can name the Batchable class utilizing future Strategies?

Ans. Database.execute(BatchableClass, 200);

23. What’s the Order of Execution in LWC?

• constructor
• wire
• connectedCallback
• render
• renderedCallback
• wire
• render
• renderedCallback

24. What’s the distinction Between Esclation Rule and Project Rule?

Ans. Project Guidelines applies for leads or circumstances. Escalation Guidelines applies for circumstances.

25. What’s the Asynchronous Apex?

Ans. Asynchronous Apex is used to run processes in a separate thread, at a later time. An asynchronous course of is a course of or perform that executes a activity “within the background” with out the consumer having to attend for the duty to complete.

26. What’s the Validation Rule?

A validation rule is one strategy to limit enter in a desk discipline or a management (akin to a textual content field) on a type. Validation textual content helps you to present a message to assist customers who enter information that’s not legitimate.

Try one other superb weblog by Aman right here: What is Enhanced Domain Security in Salesforce in 2023?

27. The way to get the Present Login Consumer?

Ans. To get the present login consumer utilizing this userinfo.getuserinfo();

28. What number of varieties of occasions in set off?

Ans.

29. What’s the Distinction Between set off.previous & set off.new?

Ans. Set off.New variable returns the listing of sObject which has invoked the set off and Set off.previous returns an inventory of the older variations of the information which have invoked the set off. Set off.Outdated is just accessible in replace and delete occasions.

30. What’s the Distinction Between set off.new & set off.newMap?

Ans. Set off.New variable returns the listing of sObject which has invoked the set off and Set off.NewMap returns the map of ID’s with the newly entered information. NewMap is just accessible in after insert, earlier than and after the replace and after undelete