UltraLite User's Guide
C++ API Reference
ULTable class
ul_ret_void DeleteAllRows( )
The function deletes all rows in the table.
In some applications, it can be useful to delete all rows from tables before downloading a new set of data into the table. Rows can be deleted from the UltraLite database without being deleted from the consolidated database using the ULConnection::StartSynchronizationDelete method.
StartSynchronizationDelete method
StopSynchronizationDelete method