MySQL Q/A

In MySQL, there are many caching mechanisms, such as key cache, query cache, and table cache. While the key cache holds...

In MySQL, Indexes are database objects that help with data retrieval speed. They work by developing a separating data structure that enables...

In MySQL, the output of two or more SELECT statements is combined using a UNION. It can be utilized when it is required to...

A query that is nested inside another query is called a subquery. It permits you to fetch data based on the outcomes of...

A JOIN is utilized for aggregating or combining data from two or more tables. In MySQL, there are four different JOIN types:

In a MySQL database, there are three different kinds of relationships that are explained below:

Denormalization is the technique of adding duplicated data to a database to improve its efficiency. In MySQL, it is utilized for adding...

The process of organizing or managing data in a database for improving data integrity and reducing data redundancy is known...

If the values in the column of a table are repeating and a unique value has to be found then...

-> prompt in the command of MySQL indicates that a single statement is being entered across multiple lines. From this...