This function is heavily inspired by the unexported dbplyr function unique_table_name
Examples
print(unique_table_name()) # SCDB_<10 alphanumerical letters>
#> SCDB_Z6V3rqsxvy
print(unique_table_name()) # SCDB_<10 alphanumerical letters>
#> SCDB_zieCv7vGEg
print(unique_table_name("test")) # test_<10 alphanumerical letters>
#> test_hBs6ES5zDj
print(unique_table_name("test")) # test_<10 alphanumerical letters>
#> test_QPkYxdaMGd
