delete objects by filter criteria
Feature Description
The delete objects by filter criteria function allows you to delete selected objects via SQL statements, which can be used to update data information.
Function Entry
- Data tab -> Data Processing group -> Vector -> Delete Objects by Filter Criteria.
- Toolbox -> Data Processing -> Vector -> Delete Objects by Filter Criteria.
Parameter description
- Source Dataset：
- Datasource: Set the datasource where the dataset for deleting objects is located.
- Dataset: Set the dataset for deleting objects.
- Parameters：
- Filter Expression: Click the ... button on the right to open the SQL Expression dialog, enter the filter expression in the dialog, and objects that match the filter expression will be deleted. For how to use SQL Expression, refer to SQL Expression.
Related Topics
Counts the Number of Objects in the Face