SELECT characteristic_name ,  other_characteristic_details ,  characteristic_data_type FROM CHARACTERISTICS EXCEPT SELECT t1.characteristic_name ,  t1.other_characteristic_details ,  t1.characteristic_data_type FROM CHARACTERISTICS AS t1 JOIN product_characteristics AS t2 ON t1.characteristic_id  =  t2.characteristic_id
SELECT characteristic_name ,  other_characteristic_details ,  characteristic_data_type FROM CHARACTERISTICS EXCEPT SELECT t1.characteristic_name ,  t1.other_characteristic_details ,  t1.characteristic_data_type FROM CHARACTERISTICS AS t1 JOIN product_characteristics AS t2 ON t1.characteristic_id  =  t2.characteristic_id <table_name> : Characteristics col : characteristic_id | characteristic_type_code | characteristic_data_type | characteristic_name | other_characteristic_details row 1 : 1 | Grade | numquam | slow |  row 2 : 2 | Grade | doloribus | fast |  row 3 : 3 | Purity | rem | warm |  row 4 : 4 | Grade | aut | hot |  row 5 : 5 | Purity | impedit | hot |  row 6 : 6 | Purity | qui | warm |  row 7 : 7 | Grade | et | cool |  row 8 : 8 | Grade | dolores | cool |  row 9 : 9 | Grade | quam | cool |  row 10 : 10 | Grade | velit | fast |  row 11 : 11 | Purity | at | fast |  row 12 : 12 | Grade | totam | error |  row 13 : 13 | Purity | mollitia | slow |  row 14 : 14 | Purity | placeat | slow |  row 15 : 15 | Grade | facere | slow | <table_name> : Product_Characteristics col : product_id | characteristic_id | product_characteristic_value row 1 : 13 | 13 | low row 2 : 11 | 2 | low row 3 : 5 | 15 | low row 4 : 1 | 13 | low row 5 : 7 | 12 | low row 6 : 11 | 6 | low row 7 : 7 | 2 | medium row 8 : 12 | 10 | medium row 9 : 8 | 11 | high row 10 : 14 | 4 | medium row 11 : 11 | 3 | medium row 12 : 6 | 15 | high row 13 : 11 | 3 | high row 14 : 6 | 10 | high row 15 : 12 | 2 | high
col : characteristic_name | other_characteristic_details | characteristic_data_type row 1 : cool |  | dolores row 2 : cool |  | et row 3 : cool |  | quam row 4 : hot |  | impedit row 5 : slow |  | numquam row 6 : slow |  | placeat