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Editor to share with you how to view mysql help, I hope you will learn a lot after reading this article, let's discuss it together!

Mysql's way to view help: by executing [? Data definition] command to view custom action statements. You can also view the data types supported by the database by executing the [? data types] command.

The details are as follows:

The MySQL database has help commands, which can be used to view the categories available for query. The operation commands are:

? Contents

To view the action statements customized by MySQL, you can use the command:

? Data definition

If you want to see which data types the MySQL database supports, you can use the command:

? Data types

To view the description of the data type varchar, you can use the command:

? Varchar

You can often see show commands in MySQL statements, such as show databases, show tables, etc. What are the show commands? you can use them:

? Show

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