This section describes the available tools to remove data.
Select the items in Object tree or Relationship tree corresponding to the entities and classes you want to remove. Then, either select Edit -> Remove selected items from the menu bar, or right-click on the selection and choose Remove selected items from the context menu.
The Remove items dialog will popup:
Specify the databases from where you want to remove each item under the databases column, and press Ok.
Select the items in Entity graph corresponding to the objects and/or relationships you want to remove. Then, either select Edit -> Remove selected items from the menu bar, or right-click on the selection and choose Remove selected items from the context menu.
To remove objects or relationships from a specific class, bring the class to Pivot table using the Parameter value input type (see :ref:`using_pivot_table_and_frozen_table`), and select the cells in the table headers corresponding to the objects and/or relationships you want to remove. Then, either select Edit -> Remove selected items from the menu bar, or right-click on the selection and choose Remove selected items from the context menu.
Alternatively, to remove relationships for a specific class, bring the class to Pivot table using the Relationship input type (see :ref:`using_pivot_table_and_frozen_table`). The Pivot table headers will be populated with all possible combinations of objects across the member classes. Locate the member objects of the relationship you want to remove, and uncheck the corresponding box in the table body.
To remove parameter definitions or values, go to the relevant Stacked table and select any cell in the row corresponding to the items you want to remove Then, either select Edit -> Remove selected items from the menu bar, or right-click on the selection and choose Remove selected items from the context menu.
To remove parameter definitions and/or values for a certain class, bring the corresponding class to Pivot table using the Parameter value input type (see :ref:`using_pivot_table_and_frozen_table`). Then:
- Select the cells in the parameter header corresponding to the parameter definitions you want to remove.
- Select the cells in the table body corresponding to the parameter values you want to remove.
Finally, either select Edit -> Remove selected items from the menu bar, or right-click on the selection in Pivot table and choose Remove selected items from the context menu.
To remove parameter value list or any of their values, just select the appropriate rows in Parameter value list. Then, either select Edit -> Remove selected items from the menu bar, or right-click on the selection and choose Remove selected items from the context menu.
To remove all items of specific types, select Edit -> Mass remove items from the menu bar. The Mass remove items dialog will pop up:
Select the databases from where you want to remove the items under Databases, and the type of items you want to remove under Items. Then, press Ok.