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Most people don't understand this article "how mysql modifies the content" except for program members. In order to make everyone understand "how mysql modifies the content" better, today's editor summarizes the following contents for everyone, which have certain reference value. The detailed steps of the contents are clear and the details are handled properly. I hope everyone will gain something through this article. Let's take a look at the specific contents together.

In mysql, you can modify the contents with the UPDATE command, which is used to modify or update data in MySQL. You can modify one or more contents at the same time with this command. The syntax is "UPDATE table name SET field1=new-value1,field2=new-value2".

Operating environment of this tutorial: Windows 10 system, mysql version 8.0.22, Dell G3 computer.

How do I change my content?

If we need to modify or update data in MySQL, we can do so using the SQL UPDATE command.

syntax

The following is the common SQL syntax for UPDATE commands to modify MySQL data table data:

UPDATE table_name SET field1=new-value1, field2=new-value2[WHERE Clause]

You can update one or more fields simultaneously.

You can specify any condition in the WHERE clause.

You can update data simultaneously in a separate table.

The WHERE clause is useful when you need to update data for a specified row in a data table.

Update data from command prompt

Here we will use the WHERE clause in the SQL UPDATE command to update the data specified in the runoob_tbl table:

examples

The following example updates the runoob_title field value with runoob_id = 3 in the data table:

As a result, runoob_title with runoob_id 3 has been modified.

Thank you for your reading, I hope you have a certain understanding of the key issue of "how to modify the content of mysql". The specific use situation still needs to be used by everyone to understand it. Go and try it. If you want to read more articles related to knowledge points, please pay attention to the industry information channel!

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