For example, to retrieve all the entries that contain a percent sign, just use the percent sign as any other character: method is applied instantly and returns the number of rows matched by the query (which may not be equal to the number of rows updated if some rows already have the new value).
The only restriction on the to update one field based on the value of another field in the model.
The web page from which you download the update will have detailed instructions specific to your camera.
Make sure you read and follow these instructions carefully.
Every addition, creation and deletion is immediately and automatically saved to the database.