MYSQL DATABASE INTERVIEW QUESTIONS

Course:MySQL
Chapter:Chapter 6 - DML (Data Manipulation Language)
Topic:DELETE
Questions Count:15
1

What is the purpose of the DELETE statement in MySQL?

Explanation:
2

How do you delete a single row from a table in MySQL?

Explanation:
3

What happens if you omit the WHERE clause in a DELETE statement?

Explanation:
4

How can you delete multiple rows from a table in MySQL?

Explanation:
5

Can you use the DELETE statement with a JOIN in MySQL? Explain with an example.

Explanation:
6

What is the difference between DELETE and TRUNCATE in MySQL?

Explanation:
7

How do you ensure that a DELETE operation is safe and does not unintentionally remove too many rows?

Explanation:
8

Discuss the impact of foreign key constraints on DELETE operations in MySQL.

Explanation:
9

Explain how you would handle a situation where you need to delete rows from a very large table efficiently.

Explanation:
10

Describe the use of transactions in DELETE operations and how they help in maintaining data integrity.

Explanation:
11

How can you delete duplicate records in MySQL?

Explanation:
12

How can you identify duplicate records in a MySQL table?

Explanation:
13

What is the general approach to delete duplicate records in MySQL?

Explanation:
14

How would you delete duplicate rows while keeping the one with the lowest id?

Explanation:
15

How can you delete duplicate records using ROW_NUMBER() in MySQL 8.0 or later?

Explanation: