Caterpillar Inc Softwaretest Engineer Interview Questions and Answers

Numeric analysis too difficult level

Quant , Logical REASONING , Java

Q1. Why should we hire you?
Add your answer
Q2. What is your family background?
Add your answer
Q3. Tell me about yourself.
Add your answer

They asked about corona

Q1. Basics of OOP and JavaScript related
Add your answer

MCQ of programming languages - c/c++/Python , basic DS and OS questions

Q1. DS and programming language questions
Add your answer

Q1. Project level discussion and questions
Add your answer

Q1. Normalization in SQL, What is Cursor in SQL
Ans. 
Normalization in SQL is the process of organizing data in a database to reduce redundancy and improve data integrity. A cursor in SQL is a database object used to retrieve and manipulate data row by row.
• Normalization in SQL involves breaking down a large table into smaller tables and defining relationships between them to reduce redundancy.

• Cursors in SQL are used to fetch and process individual rows returned by a query...read more
Answered by AI
View 1 more answer
Q2. .Net Core and API based questions
Add your answer
Q3. Abstract and interface difference
Ans. 
Abstract classes can have both abstract and non-abstract methods, while interfaces can only have abstract methods.
• Abstract classes can have constructors, fields, and non-abstract methods along with abstract methods

• Interfaces can only have abstract methods and constants

• A class can implement multiple interfaces but can only inherit from one abstract class
Answered by AI
View 1 more answer
Q4. Const and read only difference in C#
Ans. 
Const keyword is used to declare constants at compile time, while read-only keyword is used to create immutable fields that can only be assigned a value at runtime.
• Const values are determined at compile time and cannot be changed, while read-only values can only be assigned a value once at runtime.

• Const fields are implicitly static, while read-only fields are not.

• Example: const int x = 5; read-only int y = 10;
Answered by AI
Add your answer
Q5. Azure basic fundamental questions
Add your answer
Q6. Sample query to join tables using SQL
Ans. 
Sample query to join tables using SQL
• Use the JOIN keyword to combine rows from two or more tables based on a related column between them

• Specify the columns to be selected from each table

• Use the ON keyword to specify the join condition
Answered by AI
Add your answer

Aptitude test, quant, grammer, logical