button and confirm the operation.The model has two IDs: The Design ID, and the Production ID that is generated when publishing the model for production.
You can use this option if you have made changes to the model after having published it, and you wish to discard those changes. Click the Restore button and confirm the operation.
Select this option and reload the model in order to enable the following options:
Reload Data
If changes have occurred in the data source while working with a model, clicking the Reload Data option on the My World ribbon uploads the changes into the model. Use this option when (1) the data source has more data than you want to see in the model, (2) you have changed the format of a column (e.g. from number to integer) and you want to return to the original format.
Default Relationship
This option will appear in the Model Relationships dialog box when you click the Relationship 
option on the My World ribbon, and click Add 
to add a new relationship or click on the tab of an existing relationship.
If you deselect the Default Relationship option, there will be no connections between the data in the tables.
Rename Column
This option will appear in the column context menu.
Select the option to rename a column.
Rename Table
This option will appear in the table context menu.
Select the option to rename a table.