[Solved] Copies of each database record or page before being changed by a transaction that are saved for use in database recovery are called before images. Prostitutes: Individuals who engage in sexual activities with others in exchange for money or goods, often within a commercial or transactional context. Nude Dancers: Performers who engage in dancing or other forms of entertainment without wearing clothing. Call Girls: Women who are paid to engage in sexual acts with clients, typically arranged through an agency or advertisements. Streetwalkers: Individuals, often prostitutes, who solicit customers for sexual services in public places, typically on the streets.