MySQL Topics for Web Development

DDL, DML and DCL statements in MySQL with examples

DDL, DML and DCL statements in MySQL with examples

Learn the type of SQL statements we use on a database. See the various examples using MySQL for DDL, DML, and DCL statements.

Difference between DELETE and TRUNCATE in MySQL

Difference between DELETE and TRUNCATE in MySQL

Know the differences between DELETE and TRUNCATE with examples in MySQL. You will learn when to use DELETE and when to use TRUNCATE.

Seven Ways to Find Second Highest Salary in MySQL

Seven Ways to Find Second Highest Salary in MySQL

Write different MySQL queries to get the second-highest salary from a database table. You can see a generic query to get nth highest salary.

Export MySQL Query Result to CSV file with headers

Export MySQL Query Result to CSV file with headers

Write your MySQL query, you can use a single table or join multiple tables and get the query output into a CSV file using phpMyAdmin.

Find and Delete Duplicate Rows in MySQL with Examples

Find and Delete Duplicate Rows in MySQL with Examples

Write SQL queries to find and delete duplicate rows in a table in MySQL. Use GROUP BY with HAVING clause to identify and delete them.