SQL & Database Interview Questions for Freshers
Q1. What is a Database?
A structured collection of data.
Q2. What is SQL?
Language used to manage databases.
Q3. What is Primary Key?
Uniquely identifies records in a table.
Q4. SELECT Query Example
SELECT * FROM students;
Q5. Difference Between DELETE and TRUNCATE
- DELETE → Removes selected rows
- TRUNCATE → Removes all rows