Interview Questions
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Introduction
Interview QA Book
Introduction
SOQL [Salesforce Object Query Language]
Difference between SOQL and SOSL?
What is SOQL 101 exception and how do you handle it?
Maximum no of records that can be queried in a single transaction?
How to apply field level security [FLS] in a SOQL query?
What is the latest suggested approach in applying FLS to a SOQL query?
When to use stripInAccessible() in Apex?
How can you perform FLS when a DML operation is performed?
What is the difference between With sharing, Without sharing & Inherited sharing keywords in SOQL?
What happens when I invoke a Without sharing method from a With sharing apex method?
What happens when I invoke an *Inherited* sharing method from a With sharing apex method?
Scenario #1 With sharing, Without sharing and Inherited sharing.
Scenario #2 Sharing and Abstract classes in Apex.
Apex Development
By default can I make callouts from batch apex class?
Can we chain batch classes and how?
Can we execute inner queries in Batch Apex?
Can we invoke Batch from Schedulable?
Can we invoke future handler from batch apex?
In Batch Apex how can I maintain the state of the variables between different batches?
What are different types of Asynchronous Apex that are available?
Can I avoid implementing finish method in Batch Apex class?
What's the default and max batch size in Batch Apex?
Is it a mandate that the Batch Class should have global access specifier?
Can we invoke Batch Apex class from triggers?
What's are the difference between Future method and Queueable Apex?
When a Future method invoked from Batch Apex, is it going to give us run time error or compile time error?
What advantages do we get as a developer when we use Future method?
How can we pass list of sObject data from one Future method to another Future method?
What are the steps involved in making a callout in Integration?
How do you do the error handling when you make a callout in Integration?
Can we use Future methods in Test classes?
What is row lock (concurrent batch) and how to solve that?
Does governor limits apply in Test classes?
When we have chained Batch Apex how many Test Classes should we write?
What's the purpose of starttest() and stoptest() methods in Apex?
Can we invoke Queueable Apex from Batch Apex?
When I need to fetch more records in query locator in batch apex how can I achieve that?
What if I get more than 50 million records even after applying filters in Batch Apex?
How can we do the code coverage for a private method?
How can we have common test data for all the test methods?
Can you tell different approaches by which we can inserting test data in a test class?
What does seeAllData=true means in Apex testing framework?
Advantages of Continuation Apex
How can we do the code coverage as a specific user in test classes?
What's the maximum no of characters a custom label can have?
What is Apex managed sharing?
Can i pass data to batch class while invoking it?
Can we make a callout from finish method in batch apex?
Can we send data of type SObject to queueable apex?
Difference between custom settings and custom metadata types?
What's the difference between custom list settings and custom hierarchy settings?
Lightning Web Components [LWC]
What is api decorator or how to expose a property and method in child web components?
In how many ways can we invoke apex method from lwc?
Is it possible to invoke apex methods from life cycle hooks?
How many life cycle hooks we have got in lwc?
Is it possible to invoke 3rd party js libraries and style sheets in lwc?
What are the different life cycle hooks available?
What do we have in a lwc component bundle?
What is the target used to source a lwc to a quick action?
Can we embed lwc in an aura component and vice versa?
Aura Components
How to invoke a piece of code automatically in Aura Components
Can we invoke Apex Constructor from Aura Components
Type of Events in Aura Components
Why do we have Controller.js & Helper.js files in Aura Components
How Data Mutation works in Aura Components and LWC
What's the differences between Aura Components & LWC
Purpose of implements attribute in Aura Components
What's Resource Bundle
What's the interface used for Navigation in Aura Components
What's the purpose of design file in resource bundle
Can we invoke a flow in Aura Component
Can we send data between Aura and VF
What's the purpose of force:hasRecordId in LDS
What is Lightning Out in Aura Components
Can we remove attribute syncing between components
Different data types that we can provide to attributes in Aura Components
What are the methods we get access to in renderer file
What is $A in Aura Components
Can one Aura Component extend another component explain a scenario when I would need it?
How can we apply styles only to child tags in Aura Component
Advantages of <force:recordData /> tag over other LDS tags
How do you debug your Aura Components
How to improve performance using client side caching
How to invoke action handler in child component from parent component
When to use <lightning:recordViewForm /> vs <lightning:recordForm />
Apex Triggers
[Basic] Scenario #1
[Basic] Scenario #2
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Course
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Lesson
Interview QA Book
Interview QA Book
Interview Questions
Buy now
Learn more
Introduction
Interview QA Book
Introduction
SOQL [Salesforce Object Query Language]
Difference between SOQL and SOSL?
What is SOQL 101 exception and how do you handle it?
Maximum no of records that can be queried in a single transaction?
How to apply field level security [FLS] in a SOQL query?
What is the latest suggested approach in applying FLS to a SOQL query?
When to use stripInAccessible() in Apex?
How can you perform FLS when a DML operation is performed?
What is the difference between With sharing, Without sharing & Inherited sharing keywords in SOQL?
What happens when I invoke a Without sharing method from a With sharing apex method?
What happens when I invoke an *Inherited* sharing method from a With sharing apex method?
Scenario #1 With sharing, Without sharing and Inherited sharing.
Scenario #2 Sharing and Abstract classes in Apex.
Apex Development
By default can I make callouts from batch apex class?
Can we chain batch classes and how?
Can we execute inner queries in Batch Apex?
Can we invoke Batch from Schedulable?
Can we invoke future handler from batch apex?
In Batch Apex how can I maintain the state of the variables between different batches?
What are different types of Asynchronous Apex that are available?
Can I avoid implementing finish method in Batch Apex class?
What's the default and max batch size in Batch Apex?
Is it a mandate that the Batch Class should have global access specifier?
Can we invoke Batch Apex class from triggers?
What's are the difference between Future method and Queueable Apex?
When a Future method invoked from Batch Apex, is it going to give us run time error or compile time error?
What advantages do we get as a developer when we use Future method?
How can we pass list of sObject data from one Future method to another Future method?
What are the steps involved in making a callout in Integration?
How do you do the error handling when you make a callout in Integration?
Can we use Future methods in Test classes?
What is row lock (concurrent batch) and how to solve that?
Does governor limits apply in Test classes?
When we have chained Batch Apex how many Test Classes should we write?
What's the purpose of starttest() and stoptest() methods in Apex?
Can we invoke Queueable Apex from Batch Apex?
When I need to fetch more records in query locator in batch apex how can I achieve that?
What if I get more than 50 million records even after applying filters in Batch Apex?
How can we do the code coverage for a private method?
How can we have common test data for all the test methods?
Can you tell different approaches by which we can inserting test data in a test class?
What does seeAllData=true means in Apex testing framework?
Advantages of Continuation Apex
How can we do the code coverage as a specific user in test classes?
What's the maximum no of characters a custom label can have?
What is Apex managed sharing?
Can i pass data to batch class while invoking it?
Can we make a callout from finish method in batch apex?
Can we send data of type SObject to queueable apex?
Difference between custom settings and custom metadata types?
What's the difference between custom list settings and custom hierarchy settings?
Lightning Web Components [LWC]
What is api decorator or how to expose a property and method in child web components?
In how many ways can we invoke apex method from lwc?
Is it possible to invoke apex methods from life cycle hooks?
How many life cycle hooks we have got in lwc?
Is it possible to invoke 3rd party js libraries and style sheets in lwc?
What are the different life cycle hooks available?
What do we have in a lwc component bundle?
What is the target used to source a lwc to a quick action?
Can we embed lwc in an aura component and vice versa?
Aura Components
How to invoke a piece of code automatically in Aura Components
Can we invoke Apex Constructor from Aura Components
Type of Events in Aura Components
Why do we have Controller.js & Helper.js files in Aura Components
How Data Mutation works in Aura Components and LWC
What's the differences between Aura Components & LWC
Purpose of implements attribute in Aura Components
What's Resource Bundle
What's the interface used for Navigation in Aura Components
What's the purpose of design file in resource bundle
Can we invoke a flow in Aura Component
Can we send data between Aura and VF
What's the purpose of force:hasRecordId in LDS
What is Lightning Out in Aura Components
Can we remove attribute syncing between components
Different data types that we can provide to attributes in Aura Components
What are the methods we get access to in renderer file
What is $A in Aura Components
Can one Aura Component extend another component explain a scenario when I would need it?
How can we apply styles only to child tags in Aura Component
Advantages of <force:recordData /> tag over other LDS tags
How do you debug your Aura Components
How to improve performance using client side caching
How to invoke action handler in child component from parent component
When to use <lightning:recordViewForm /> vs <lightning:recordForm />
Apex Triggers
[Basic] Scenario #1
[Basic] Scenario #2
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