Cognizant Associate Interview Questions, Process, and Tips

Q1. About SQL queries
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Q2. Find the duplicate rows in a table
Ans. 
Use a SQL query with GROUP BY and HAVING clause to find duplicate rows in a table.
• Use GROUP BY to group rows with the same values together

• Use HAVING COUNT(*) > 1 to filter out rows that appear more than once

• Select the columns you want to display in the result
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Q1. Basics Java questions and problem solving
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Q1. Frame work and selenium questions
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Q1. Common discussion
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Q1. Testing concepts basics
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Q1. Background questions
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Q1. How ec2 works in aws
Ans. 
EC2 is a web service that provides resizable compute capacity in the cloud.
• EC2 allows users to rent virtual servers on which they can run their own applications.

• Users can choose the instance type, operating system, and storage options for their EC2 instances.

• EC2 instances can be easily scaled up or down based on demand, allowing for cost-effective and flexible computing.

• Users can also use features like Auto Scaling and...read more
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Q1. Expecting salary for your hike
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Q1. Oops concept.....................
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Q1. Types of array..................
Ans. 
Arrays are a data structure that stores a collection of elements of the same data type in contiguous memory locations.
• Types of arrays include: 1. One-dimensional arrays 2. Multi-dimensional arrays (e.g. 2D, 3D) 3. Jagged arrays

• Example: string[] names = new string[] {"Alice", "Bob", "Charlie"};
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Basic Questions of Java, SpringBoot

Q1. Basic questions of Spring Annotations
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