Connaissant Consultancy Services Oracle Application Developer Interview Questions and Answers

Q1. How to invoke flows - using other flows and Apex. How do we invoke an apex class from a flow and pass variables?
Ans. 
Flows can be invoked using other flows and Apex. Apex classes can be invoked from a flow by using invocable methods and passing variables as input parameters.
• To invoke a flow from another flow, use the 'Launch Flow' element in the Flow Designer.

• To invoke an Apex class from a flow, create an invocable method in the Apex class and annotate it with @InvocableMethod.

• Pass variables from a flow to an Apex class by defining i...read more
Answered by AI
Add your answer
Q2. Why can't we create a master detail on contact as the child object
Ans. 
Master-detail relationship on Contact as child object is not allowed due to data integrity concerns.
• Contact is a standard object and cannot be a child object in a master-detail relationship

• Master-detail relationships require the child object to have a lookup to the parent object

• Contacts are often used as the primary object in many relationships, making it unsuitable as a child object
Answered by AI
Add your answer
Q3. What is child to parent communication in LWC?
Ans. 
Child to parent communication in LWC allows a child component to communicate with its parent component.
• Child components can dispatch custom events to communicate with parent components.

• Parent components can listen for these custom events and handle them accordingly.

• This communication pattern helps in passing data and triggering actions between components.
Answered by AI
Add your answer

Q1. Write triggers for updating user email from contact emails.
Ans. 
Write triggers to update user email from contact emails
• Create a trigger on the User object

• Query for related Contact records

• Update User email field with Contact email
Answered by AI
Add your answer
Q2. How does LWC ensure data refresh
Ans. 
LWC ensures data refresh by using Lightning Data Service and @wire decorator.
• LWC uses Lightning Data Service to ensure data refresh without needing to write Apex code.

• The @wire decorator in LWC allows for declarative data binding and automatic refresh when data changes.

• LWC components can also manually refresh data using imperative Apex calls or by calling the refreshApex() method.
Answered by AI
Add your answer

Q1. About current project
Add your answer
Q2. Type of issues that I have worked on.
Add your answer

Q1. Questions about Oracle payables
Add your answer
Q2. About plsql
Add your answer

Q1. Current salary and told me about their offer.
Add your answer
Q2. Gave me 75% hike also.
Add your answer

It was easy and basic

Coding questions are bit complicated

Q1. Salesforce platform questions
Add your answer
Q2. Basic hr questions and project based question
Add your answer

Q1. Trigger to display all contacts on an account
Add your answer
Q2. Diff bw 15 to 18 digits id
Add your answer

Q1. Life Cycle hook in LWC
Ans. 
Life Cycle hooks in LWC are methods that allow you to interact with the component at specific stages of its lifecycle.
• There are four main life cycle hooks in LWC: connectedCallback, disconnectedCallback, renderedCallback, and errorCallback.

• connectedCallback is called when a component is inserted into the DOM.

• disconnectedCallback is called when a component is removed from the DOM.

• renderedCallback is called after the com...read more
Answered by AI
Add your answer
Q2. In how many ways we can Communicate between component
Ans. 
There are multiple ways to communicate between components in Salesforce, including using events, public properties, and Apex methods.
• Using events to communicate between components

• Passing data through public properties

• Invoking Apex methods to share data
Answered by AI
Add your answer
Q3. Outbound integration
Add your answer
Q4. After having Read, Write permission on the object what will be the reason that user can't see all record.
Add your answer

Q1. NA explained below
Add your answer
Q2. NA explained below1
Add your answer

Q1. Project related questions
Add your answer
Q2. Flows, lwc, sharing, cdc, exp cloud
Add your answer

Q1. Question related to flow, security
Add your answer
Q2. Asked to write trigger related to after update
Add your answer

Q1. LWC, parent child communication
Add your answer
Q2. Asynchronous apex
Ans. 
Asynchronous apex refers to code that runs in the background without user interaction.
• Asynchronous apex is used for long-running processes that do not need to be completed immediately.

• It allows for better performance by not blocking the user interface.

• Examples include batch apex, future methods, and queueable apex.
Answered by AI
Add your answer
Q3. Apex integration
Add your answer