Cygnus Information Solutions Interview Questions and Answers

Yes, I have experience working with Oracle Forms and Reports.

• I have worked on developing and maintaining Oracle Forms and Reports applications.

• I am familiar with the Oracle Forms and Reports development environment.

• I have experience in designing and implementing user interfaces using Oracle Forms.

• I have used Oracle Reports to generate various types of reports.

• I am proficient in writing PL/SQL code to interact with the Oracle database.

• I have experience in troubleshooting and d...read more

A cursor is a database object used to retrieve and manipulate data in a result set.

• A cursor allows sequential access to the rows in a result set.

• It can be used to fetch and update data in a controlled manner.

• Cursors are important for managing large result sets and performing complex data operations.

• They provide a way to navigate through query results and perform operations on individual rows.

• Examples of cursor types include forward-only, static, dynamic, and keyset-driven cur...read more

AI enables machines to perform tasks that typically require human intelligence, enhancing efficiency and decision-making.

• Machine Learning: Algorithms that improve through experience, like recommendation systems on Netflix.

• Natural Language Processing: Understanding and generating human language, as seen in chatbots like Siri or Alexa.

• Computer Vision: Analyzing and interpreting visual data, used in facial recognition systems.

• Robotics: Automating physical tasks, such as robotic ...read more

Use URLSession to post data to a server

• Create a URL request with the server URL

• Set the request method to POST

• Add the data to the request body using Data or JSONSerialization

• Create a URLSessionDataTask with the request and resume it

Apex is a strongly typed, object-oriented programming language used for Salesforce development.

• Apex is similar to Java, with a syntax that is easy to understand for Java developers.

• It is used to write custom business logic and automate processes in Salesforce applications.

• Apex runs on the Salesforce servers, ensuring efficient execution and scalability.

• Developers can create triggers, classes, and web services using Apex.

• Example: An Apex trigger can automatically update a fiel...read more

Guardrails are safety measures or guidelines that help ensure systems operate within defined parameters.

• Guardrails provide boundaries for acceptable behavior in software development.

• They help prevent errors by enforcing coding standards and best practices.

• For example, in CI/CD pipelines, guardrails can prevent deployments to production without passing tests.

• In API development, guardrails can limit the types of requests that can be made to ensure security.

MVVM is an architectural pattern used in software development that separates the user interface from the business logic.

• Model represents the data and business logic

• View displays the data and interacts with the user

• ViewModel acts as a mediator between the Model and View, handling user input and updating the Model

Design patterns are reusable solutions to common problems in software design.

• Design patterns help in creating flexible, maintainable, and scalable software.

• Examples of design patterns include Singleton, Factory, Observer, and Strategy.

• Design patterns are categorized into three groups: creational, structural, and behavioral patterns.