CREATE TABLE transactions_lots (lot_id VARCHAR)
CREATE TABLE Lots (lot_details VARCHAR, lot_id VARCHAR)

What are the details of the lots which are not used in any transactions?
SELECT lot_details FROM Lots EXCEPT SELECT T1.lot_details FROM Lots AS T1 JOIN transactions_lots AS T2 ON T1.lot_id = T2.lot_id
SELECT "lot_details" FROM "Lots" EXCEPT SELECT "T1"."lot_details" FROM "Lots" AS "T1" JOIN "transactions_lots" AS "T2" ON "T1"."lot_id" = "T2"."lot_id"