What does /* mean in MySQL?

This is a comment. /* is the beginning of the comment, */ is the end of the comment.

Let's implement and show how to create a comment

mysql> /* This is the first MySQL Program */

MySQL will ignore the above comment.

Let's look at an example. Here we have written comments

mysql> /*This table has information about person */
mysql> create table DemoTable
(
   PersonId int NOT NULL AUTO_INCREMENT PRIMARY KEY,
   PersonName varchar(20),
   PersonAge int
);
Query OK, 0 rows affected (0.58 sec)

using /* and */

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