Simple and easy-to-understand tutorial on deleting columns in Dedecms

Dedecms is a commonly used open source content management system, but some functional operations may be difficult to understand for some novices, such as deleting columns. Today we will teach you how to delete columns in Dedecms in a simple and easy way.

First of all, you need to log in to the backend management system of Dedecms, find the "Column Management" option in the navigation bar, and click to enter the column management page. On this page, you can see a list of all columns and find the columns that need to be deleted.

Next, we need to delete the column through code. First, find the column that needs to be deleted on the "Column Management" page, find the corresponding "ID" in the column name, copy this ID, we will use it to delete the column.

Next, find the "Database Management" option in Dedecms' backend management system and click to enter the database management page. Find the table name in the database on this page, usually "dede_arctype", and click to enter the table.

Find the two fields "id" and "reid" in the table, find the id corresponding to the column that needs to be deleted, and delete the corresponding record. For example, if you want to delete the column with id 5, execute an operation similar to the following SQL statement in the table:

DELETE FROM dede_arctype WHERE id=5;

After executing the above SQL statement, refresh the website front page, and you will find that the corresponding The column has been successfully deleted.

It should be noted that when deleting a column, articles, attachments, etc. under the column may be involved. It is best to back up relevant data before deleting the column to avoid data loss.

In general, deleting columns in Dedecms is not complicated, just follow the steps above. I hope that the introduction in this article can help everyone master the column deletion function of Dedecms more easily.

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