Revalsys Technologies Asp Dot Net Trainer Interview Questions and Answers

Q1. Basic SQL queries
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Q1. Type of sql command
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SQL commands are used to interact with databases to perform various operations like insert, update, delete, etc.
• Types of SQL commands include SELECT, INSERT, UPDATE, DELETE, CREATE, ALTER, DROP, etc.

• SELECT is used to retrieve data from a database

• INSERT is used to add new records to a table

• UPDATE is used to modify existing records in a table

• DELETE is used to remove records from a table

• CREATE is used to create a new tabl...read more
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Q1. Write Reverse string program
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Program to reverse a string using array of characters
• Create a character array from the input string

• Use two pointers to swap characters from start and end of the array

• Continue swapping until the pointers meet in the middle
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Q1. SOLID principles
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Q2. Global and local temp tables
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Q3. SQL QUERIES AND PALINDROME CODE
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Q1. What is a constructor?
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A constructor is a special method in a class that is automatically called when an instance of the class is created.
• Constructors have the same name as the class they belong to.

• They can be used to initialize the object's state or perform any necessary setup.

• Constructors do not have a return type.

• Example: public class Person { public Person() { // constructor code here } }
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Q1. C#.net,ASP.Net, and ADO. Net
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Q1. Tell me about yourself.
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It consisted of pseudocodes and DSA related questions

2 or 4 questions were asked. And we had to write optimised approach and password all test cases

Q1. Factorial of a given number ,
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Factorial of a number is the product of all positive integers less than or equal to that number.
• To calculate factorial of a number, multiply all positive integers less than or equal to that number.

• Factorial of 5 (5!) = 5 * 4 * 3 * 2 * 1 = 120

• Factorial of 0 is defined as 1, so 0! = 1
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Q2. Fibonacci series
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Q3. And other DSA related questions and details of project
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Q1. HR related questions
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