What's the process of changing a column name in DynamoDB?

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To change a column name in DynamoDB, follow these steps:

1. Open the AWS Management Console and go to the DynamoDB dashboard.

2. Click on the table in which the column that needs to be changed is located.

3. In the table overview, select the "Items" tab.

4. Select the item that has the column name you want to change.

5. Double-click on the column name to open the attribute editor.

6. Change the name of the attribute to the new name you want.

7. Click "Save" to save the changes.

Note that changing a column name in DynamoDB is not as simple as changing the name of a column in a relational database. You will need to update all items in the table that use the old name with the new name. This can be done programmatically using the AWS SDK or through a batch operation in the DynamoDB console.