Manisha
SQL Interview Questions and Answers (Level-3)
71. Write a query to calculate publication and cancellation rate for each user from a table with user IDs, actions, and dates. Answer: To calculate publication and cancellation ...
SQL Interview Questions and Answers (Part-II)
🔹 56. Find Employees Earning More Than Their Managers Question: Write a SQL query to list employees who earn more than their managers. Answer: sql SELECT e1.Name AS ...
SQL Interview Questions and Answers (Level-2)
36. What is an SQL View? Answer: An SQL View is a virtual table based on the result of a SQL query. It doesn’t store actual data but ...
SQL Interview Questions and Answers (Part-I)
21. How to select UNIQUE records from a table in SQL? Answer: Use the DISTINCT keyword or GROUP BY clause. Example using DISTINCT: sql SELECT DISTINCT Department FROM ...
SQL Interview Questions and Answers (Level-1)
1. What is SQL? Answer: SQL stands for Structured Query Language, a standard programming language used for managing and manipulating relational databases. It is widely used in data-driven ...
Manual Testing Interview Questions and Answers (Part-III)
101. Define Verification and Validation. What is the difference? Verification: Process of checking if the product is built right (e.g., inspections, reviews, walkthroughs). Validation: Process of checking if ...
Manual Testing Interview Questions and Answers (Level-3)
81. What is Mutation Testing? Answer: Mutation Testing is a white-box testing technique used to evaluate the effectiveness of the test cases. In this method, small changes (mutations) ...
Manual Testing Interview Questions and Answers (Part-II)
Q64. What is the Fish Model in Testing? Answer: The Fish Model (also known as the Fishbone Model) explains the correlation between development phases and corresponding test phases.It ...
Manual Testing Interview Questions and Answers (Level-2)
Q41. Why should we use Equivalence Partitioning in Manual Testing? Answer: Equivalence Partitioning is a black-box test design technique that helps in reducing the number of test cases ...
Manual Testing Interview Questions and Answers (Part-I)
Q21. What is Test Harness? Ans: A Test Harness is a set of tools, scripts, and test data configured to test an application in various conditions. It involves ...
