Remove key/data pairs from the database. If key is DatabaseEntry, the key/data pair associated with key is discarded from the database. In the presence of duplicate key values, all records associated with the designated key are discarded. If key is MultipleDatabaseEntry, delete multiple data items using keys from the buffer to which the key parameter refers. If key is MultipleKeyDatabaseEntry, delete multiple data items using keys and data from the buffer to which the key parameter refers.

Remove key/data pairs from the database. If key is DatabaseEntry, the key/data pair associated with key is discarded from the database. In the presence of duplicate key values, all records associated with the designated key are discarded. If key is MultipleDatabaseEntry, delete multiple data items using keys from the buffer to which the key parameter refers. If key is MultipleKeyDatabaseEntry, delete multiple data items using keys and data from the buffer to which the key parameter refers.