MySQL is one of the most widely used databases and it is the most popular and best of all Relational type database management systems. Here we are going to discuss how can we perform MySQL list database queries? Which is the easiest tool for performing these queries? Also, I’ll try my best to make this tutorial as simple and easy as I could so that even a complete beginner can understand it completely.
I want you to follow along till the end of this article carefully in order to get to know about it in detail.
1. What is MySQL database?
As we’ve already discussed the relational types of databases it is now easy for us to understand MySQL. MySQL is an open-source relational database management system for storing data. It is written in C and C++ programming languages and its bases were laid by a Swedish company in 1995. One of the most premium features of MySQL is that it is cross-platform and it works for almost any type of platform e.g. Windows, Linux, Mac OS, etc.
So, in short, it is a relational type of database management system that is used to store data. It is developed using C and C++ programming languages and it is a cross-platform database that works on almost every platform. It is based on SQL(Structured Query Language) which is a standard language for relational types of databases.
MySQL is a fast and easy-to-use RDBMS and it is used by all kinds of businesses either small scale or large scale for storing data because we can store data in it persistently.
2. How to perform MySQL list databases operations?
In the section below, I’m going to discuss various queries and commands for performing MySQL list databases operations:
2.1 Which is the best and easiest tool for performing these queries?
The best tool for performing such queries that can easily connect with MySQL is the MySQL Shell. It is the advanced form of MySQL Command Line Client and if you already have the MySQL command-line client you can perform these queries on it there is no need to download MySQL Shell. But if you still want to download MySQL Shell and you wish to work on it then I’ll suggest trying it at least once and trust me you’ll feel the difference.
You can visit the download page for MySQL Shell from here. MySQL Shell includes a lot of advancements from its previous versions it can prove to be a lot more helpful for the users than it was before in its previous version namely ‘MySQL Command Line Client’.
2.2 How to Perform Queries for MySQL list databases?
Just follow along carefully and you’ll be able to perform these queries very easily once you have properly read this entire article.
In order to login to MySQL you can use the below command:
“>mysql -u root -p“ . NOTE: If you don’t have any password set for login then you can skip the ‘-p‘ in this command.
If you have set any password then it will ask you to enter a password. Once you hit ‘Enter’ after providing the password, then you’ll be logged in automatically.
ii. Listing databases
NOTE: If you have started MySQL with the command “skip show databases” then you won’t be able to perform these queries unless you have the MySQL privilege.
You can give the following commands as both have the same effect and their meanings are also synonymous with each other:
“mysql> SHOW DATABASES“ or “mysql> SHOW SCHEMAS“
Both these commands can be used to show a list of all the databases in MySQL.
iii. MySQL List Databases Operations Via Pattern Matching
This type of command which is mentioned below helps the user to find a database or a list of databases that ends with a particular string(name).
“SHOW DATABASE LIKE ‘%schema’ “. With the help of this command, we can get the list of all those databases that end with a particular name e.g. in this case we are using ‘schema’ and it could be replaced with any other name, for which you wish to look for any or some of the databases.
iv. In case if the LIKE command isn’t working
In case you feel that you can’t get your desired result from the LIKE command then you can make a more complex inquiry that is more specific to your desired output. You can use the following alternate command for the LIKE command:
“mysql> SELECT schema_name FROM information_schema.schemata“. This command will give you the same result as the “SHOW DATABASES“ command.
v. How to use the ‘where’ clause?
The command which I am going to mention here uses a ‘Where’ clause and it is used to find any or a list of databases that start with a particular string(name).
“mysql> SELECT schema_name FROM information_schema.schemata WHERE schema_name LIKE ‘s%’ “. Now with the help of this command, we will get the list of all those databases that start with the letter S. Also, we can replace this ‘S’ with any other String value(or name or letter) that is similar to the name of our desired database.
This article takes the readers from the basic concepts like What is MySQL database to the different ways for performing MySQL list databases operations. Now that you have read the article carefully, it is now easy for you to perform these operations using MySQL.
The purpose of discussing all the related concepts is to provide you with a proper understanding of MySQL list database operations.
Also, let me know in the comment section what do you think about the stuff that I’ve discussed in this article?