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Instant It Technology Interview Questions and Answers
Q1. How you would create user stories for a feature to capture employee attendance?
To create user stories for capturing employee attendance, consider the needs of the stakeholders and the desired functionality.
Identify the stakeholders involved in the attendance tracking process (e.g., HR, managers, employees).
Understand the requirements and goals of each stakeholder.
Break down the feature into smaller user stories that address specific functionalities (e.g., clock-in/out, leave requests, reporting).
Ensure the user stories are written from the perspective o...read more
Q2. Are you aware of agile methodologies?
Yes
Yes, I am aware of agile methodologies.
Agile methodologies are a set of principles and practices that promote iterative and incremental development.
They prioritize customer collaboration, flexibility, and adaptability.
Examples of agile methodologies include Scrum, Kanban, and Lean.
Agile methodologies focus on delivering value to the customer in short iterations called sprints or iterations.
Q3. Write a python code to find missing element ranging from 0 to 100. Write a SQL query to fetch data from multiple tables. Questions based on types on Joins in SQL, Stored Procedures, Views and importance of SQL...
read morePython code to find missing element and SQL query for fetching data from multiple tables.
Python code to find missing element: Use set difference to find missing elements in range 0 to 100.
SQL query for fetching data from multiple tables: Use JOINs like INNER JOIN, LEFT JOIN, or CROSS JOIN to combine data from multiple tables.
Types of Joins in SQL: INNER JOIN, LEFT JOIN, RIGHT JOIN, FULL JOIN.
Stored Procedures: Precompiled SQL queries stored in the database for reuse.
Views: Vi...read more
Q4. Difference between functional and non-functional testing?
Functional testing focuses on the behavior of the system, while non-functional testing focuses on performance, reliability, and usability.
Functional testing verifies if the software functions as expected based on the requirements.
Non-functional testing checks aspects like performance, reliability, and usability.
Examples of functional testing include unit testing, integration testing, and system testing.
Examples of non-functional testing include load testing, stress testing, a...read more
Q5. How to automate the registration page?
Automate the registration page by using test automation tools and frameworks.
Identify the elements on the registration page such as input fields, buttons, and validation messages.
Use test automation tools like Selenium WebDriver to interact with the elements on the page.
Write test scripts in a programming language like Java or Python to automate the registration process.
Implement data-driven testing to test different scenarios like valid and invalid inputs.
Use frameworks like...read more
Q6. What is ORM and which orm you used
ORM stands for Object-Relational Mapping, a technique to map objects from an application to tables in a relational database.
ORM helps developers interact with databases using objects instead of SQL queries
Popular ORMs include SQLAlchemy for Python, Django ORM for Django framework
ORMs provide features like data validation, relationship management, and query optimization
Q7. Aggregate function in SQL
Aggregate functions in SQL are used to perform calculations on a set of values and return a single value.
Aggregate functions include SUM, AVG, COUNT, MIN, and MAX.
They are often used with the GROUP BY clause to group the results based on certain criteria.
Examples: SELECT SUM(sales) FROM orders; SELECT AVG(age) FROM employees GROUP BY department;
Aggregate functions ignore NULL values unless specified.
Q8. What is static method
A static method is a method that belongs to the class itself, rather than to instances of the class.
Static methods can be called without creating an instance of the class.
They are commonly used for utility functions that do not require access to instance variables.
Static methods are declared using the 'static' keyword in the method signature.
Example: Math.max() is a static method in the Math class that returns the maximum of two numbers.
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