Infosys Senior Associate Consultant Interview Questions, Process, and Tips

A trigger is a special kind of stored procedure that is automatically executed when certain events occur in a database.

• Triggers can be used to enforce business rules, maintain referential integrity, and automate repetitive tasks.

• Examples of trigger events include INSERT, UPDATE, and DELETE operations on a table.

• Triggers can be defined to execute before or after the triggering event.

• They are commonly used in database ma...read more

Flows are sequences of steps that represent a process or workflow. There are different types of flows based on their purpose and structure.

• Flows are used to represent the sequence of steps in a process or workflow.

• Types of flows include linear flows, branching flows, and looping flows.

• Linear flows follow a single path from start to finish.

• Branching flows have multiple paths based on conditions or decisions.

• Looping flow...read more

Batch class is a Salesforce feature used to process large amounts of data in chunks.

• Batch class implements the Database.Batchable interface in Salesforce

• It allows you to break down a large data set into smaller batches for processing

• Batch class is useful for handling large data volumes without hitting governor limits

• Example: A batch class can be used to update all account records with a specific field value

A trigger on account to perform actions on record insert, update, or delete

• Triggers are used to perform actions before or after records are inserted, updated, or deleted

• Triggers can be written in Apex language

• Example: Trigger to update a related object when an account is inserted

Future and queable are terms related to asynchronous programming and task scheduling.

• Future refers to a result that is not immediately available but will be at some point in the future.

• Queable refers to tasks that can be added to a queue and executed in a specific order or based on certain conditions.

• Examples: Future in Java's CompletableFuture, Queable tasks in Python's Celery.

You can call an Apex class from a flow by using the 'InvocableMethod' annotation in the Apex class.

• Create an Apex class with a method annotated with @InvocableMethod.

• Add input and output parameters to the method.

• Use the 'Flow' element in the flow builder to call the Apex class and pass input parameters.

• Handle the output from the Apex class in the flow.

EC2 configuration process involves selecting instance type, configuring security groups, setting up storage, and launching the instance.

• Select the appropriate EC2 instance type based on your requirements (e.g. t2.micro, m5.large)

• Configure security groups to control inbound and outbound traffic to the instance (e.g. allow SSH access on port 22)

• Set up storage options such as EBS volumes or instance store volumes for data...read more

S3 lifecycle management automates the process of moving objects between different storage classes in S3 based on predefined rules.

• Lifecycle policies can transition objects to different storage classes like S3 Standard, S3 Intelligent-Tiering, S3 Standard-IA, and S3 One Zone-IA.

• Objects can also be archived to Glacier or Glacier Deep Archive for cost optimization.

• Rules can be based on object age, size, or custom metadata...read more