How to Add Drop Unique Key in MySQL

A unique key is a key that can be a column or a group of a column that defines the uniqueness of that record/row in the table. A unique key is different from the Primary key. The unique key can be a NULL value, whereas the Primary key cannot be a NULL value.  Add and […]

MySQL Queries and some Operators

This article will teach some basic MySQL queries, which are important to master MySQL database. Also, we will learn some supporting operators for MySQL queries. MySQL Queries MySQL provides some basic queries like CREATE, INSERT, SELECT, UPDATE, and DELETE to execute CRUD operations in the database. Here, we will learn each query with a brief […]