How to use sql statement to update data in phpmyadmin

Updating data through phpMyAdmin's SQL statement requires the following steps: Open phpMyAdmin and select the database and table. Click on the "SQL" tab. Write an UPDATE statement, specifying the tables and fields to update, and specifying new values ​​for each field. Optionally specify filter conditions to update only rows that meet certain conditions. Execute the statement. Check for updates to see the number of rows affected by the update and the updated data.

Use phpMyAdmin to update data through SQL statements

Using phpMyAdmin’s SQL statement to update data is a simple and effective way Method, you can achieve batch updates of data.

1. Open phpMyAdmin and select the database and table

Log in to phpMyAdmin and select the database and table for which you want to update data.

2. Click the “SQL” tab

In the phpMyAdmin interface, click the “SQL” tab.

3. Write an UPDATE statement

Write a SQL UPDATE statement that contains the following content:

• UPDATE [Table name ] SET: Specify the table to be updated and the fields to be updated.
• [field name] = [new value]: Specify a new value for each field to be updated.
• WHERE [Conditions] (optional): Optionally specify filter conditions to update only rows that meet certain conditions.

4. Example: Update the user name of the user table

Suppose you want to update the user name of the user named "John Doe" to "John Smith", you can use the following SQL statement:

<code class="sql">UPDATE users SET username = 'John Smith' WHERE username = 'John Doe';</code>

5. Execute the statement

After entering the statement in the SQL statement box, click the "Execute" button.

6. Check for updates

Once the statement has been executed, phpMyAdmin will display the number of rows affected by the update. You can also verify that the update was successful by navigating to the table and viewing the updated data.

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