Hvad er query? Hvad er query? A question; an inquiry.A doubt in the mind; a mental reservation.A notation, usually a question mark, calling attention to an item in order to question its validity or accuracy.To express doubt or uncertainty about; question: query someone's motives. To put a question to (a person). See Synonyms at ask.To mark (an item) with a notation in order to question its validity or accuracy.