Shulou(Shulou.com)06/01 Report--

This article mainly introduces the setting method of navicat joint primary key, which has certain reference value and can be used for reference by friends who need it. I hope you will learn a lot after reading this article. Next, let the editor take you to learn about it.

Open the navicat tool, connect to the mysql server, and after selecting the database, select a table and right-click to select the design table (here, to demonstrate the test, just select a table)

On the design table page, you can see all the field information of the current table. The student table we selected has an id field, which currently has no primary key field.

As shown in the figure, right-click to select the primary key in the last column, you can set the field as the primary key, or you can click the left mouse button directly to quickly add and cancel the primary key.

After setting the primary key, you can see the identification of a lock and have a word 1, because a table can add a primary key to multiple fields, it is a federated primary key, so it is displayed as primary key 1, primary key 2, and so on.

Thank you for reading this article carefully. I hope the editor will share the content of the navicat joint key setting method to help everyone. At the same time, I also hope that you will support more, pay attention to the industry information channel, and find out if you encounter problems. Detailed solutions are waiting for you to learn!

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