Simple and easy to understand: DedeCMS database modification operation steps

Title: Simple and easy to understand: DedeCMS database modification operation steps, specific code examples are required

When using the DedeCMS website management system, sometimes it is necessary to modify the database . Database modification operations include inserting data, updating data, deleting data, etc. This article will introduce how to implement these operations through specific code examples.

1. Inserting data operation steps

Inserting data is the operation of adding a new record to the database. In DedeCMS, you can insert data through the following steps:

1. Connect to the database:

   $link = mysql_connect('localhost', 'username', 'password');
   mysql_select_db('dedecms', $link);

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2. Execute the insert statement:

   $sql = "INSERT INTO dede_archives (id, title, content) VALUES (1, '文章标题', '文章内容')";
   mysql_query($sql, $link);

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3. Close the database connection:

   mysql_close($link);

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2. Update data operation steps

Update data is to update the data already in the database Record modification operations. In DedeCMS, you can update data through the following steps:

1. Connect to the database:

   $link = mysql_connect('localhost', 'username', 'password');
   mysql_select_db('dedecms', $link);

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2. Execute the update statement:

   $sql = "UPDATE dede_archives SET title='新标题', content='新内容' WHERE id=1";
   mysql_query($sql, $link);

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3. Close the database connection:

   mysql_close($link);

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3. Deleting data operation steps

Deleting data is to remove it from the database Recorded operations. In DedeCMS, you can delete data through the following steps:

1. Connect to the database:

   $link = mysql_connect('localhost', 'username', 'password');
   mysql_select_db('dedecms', $link);

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2. Execute the delete statement:

   $sql = "DELETE FROM dede_archives WHERE id=1";
   mysql_query($sql, $link);

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3. Close the database connection:

   mysql_close($link);

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Through the above simple and easy-to-understand code examples, you can easily modify the database in DedeCMS. Remember to back up your data before actual operation to avoid irreversible losses. Hope this article helps you!

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