MySQL Create User with Password Explained with Examples – MPS


MySQL Create User with Password Explained with Examples – MPS             

This tutorial explains the best way to create a consumer with password in MySQL. We’ll use the MySQL Create User command and describe it with the assistance of examples.

By utilizing this command, you may introduce a new consumer and grant him/her the required permissions or rights. Usually, you is likely to be utilizing the foundation consumer to entry a database. The root consumer has full management and can’t be restricted.

Hence. It is necessary to create users relying on the kind of entry s/he wants. And that’s the place this command is going to assist.

MySQL Create User with Password

The MySQL Create User assertion can be utilized to create new users with a password and will be assigned permissions on a necessity foundation.

Syntax

It comes in the next types:

-- MySQL CREATE USER with PASSWORD
CREATE USER [IF NOT EXISTS] [User_Name]
    IDENTIFIED [BY/WITH] ['Password'];

Here, the User_Name discipline has two parts: The precise username and the machine hostname.

user_name@host_name
e.g. john@myhost.com

Please notice the next:

  • The user_name is the identify of the logged-in consumer whereas the host_name is the identify of the machine operating the MySQL DB.
  • The host_name subfield is optionally available. If you take away it, even then the consumer can set up a connection.
  • Both the user_name  and host_name can embody particular chars. You have to quote them precisely: ‘user_name’ or ‘host_name.’

You should provide a password for the consumer proper after the IDENTIFIED BY clause

Also, through the use of the IF NOT EXISTS choice, you may make positive a new consumer is created when s/he is not accessible.

You should keep in mind that MySQL CREATE USER command creates a new consumer who doesn’t have any privileges. Hence, it’s worthwhile to grant him/her the specified entry.

We really feel that the next posts would information you even more alongside with this tutorial:

Creating users in MySQL – Examples

First of all, you have to have an energetic connection with the MySQL DB. So, if it is not the case, then run the next mysql shopper command:

mysql -u root -p

If you’d have set a root password, then present the identical.

Enter Password : XXXXXXXX

Once the connection is profitable, you may checklist down the accessible users.

mysql> SELECT  consumer from  MYSQL.consumer;

It will give the beneath outcome:

+------------------+
| Users            |
+------------------+
| mysql.sys        |
| root             |
+------------------+

MySQL Create User with Password

Now, try to outline a new consumer identified as ‘john’:

mysql> CREATE consumer  john@localhost IDENTIFIED by 'xxYYYxx';

Run the beneath command to show all users.

mysql> choose consumer from mysql.consumer;
+------------------+
| Users            |
+------------------+
| mysql.sys        |
| john             |
| root             |
+------------------+

You have now efficiently a new consumer referred to as John. Now, begin one other MySQL session and log in as john.

mysql -u john -p

Supply the password for john and press the Enter key:

Enter Password : xxYYYxx

In the subsequent step, you must checklist down the databases that john can entry.

mysql> SHOW   DATABASES;

You would possibly see one thing like:

Databases
-------------------
information_schema

There is no database that john can use. So, we’ll now create one for him.

mysql> CREATE DATABASE johndb;

Now, choose the database you created.

mysql> use johndb;

The database is empty, so create a dummy desk named ‘test_table.’

mysql> CREATE TABLE test_table(
-> id INT AUTO_INCREMENT PRIMARY KEY,
-> identify VARCHAR(30) not null,
-> married bool default false);

Grant Privileges to New User

Now, assign the required privileges on the ‘johndb’ to ‘john’:

mysql> GRANT ALL PRIVILEGES on johndb.* to john@localhost;

You can learn more about MySQL Grant Privileges right here.

Now once more go to the console and run the command to indicate the databases.

mysql> SHOW DATABASES;

This time, john ought to be capable to checklist the johndb:

Databases
-------------------
johndb
information_schema

Now, choose the johndb and examine the accessible tables.

mysql> USE johndb;
mysql> SHOW  TABLES;

You can now affirm that john can checklist the test_table.

Tables_in_johndb
-------------------
test_table

Let’s now see if john can add some information to the test_table.

mysql> INSERT  INTO test_table(identify) values('John Travolta');
mysql> SELECT  * from test_table;

The above statements would give the beneath outcome:

Records in test_table
-------------------------
1, John Travolta, 0

Now, you may assert that the consumer john can run any operation on the johndb database.

Now, it’s time to disconnect from the MySQL DB and shut the operating classes.

Summary – MySQL CREATE USER with PASSWORD

We hope it is best to now really feel snug in utilizing the MySQL CREATE USE with PASSWORD command. However, you may take up more examples and apply.

Also, to be taught SQL from scratch to depth, do learn our step-by-step MySQL tutorial.

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MySQL Create User with Password Explained with Examples – MPS
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