database system

Suppose the relations of a database for the 0lyppics 2016 as shown in Table 1. These relations recond the athletes, events, and results of the Olympic games. wery:event Tisble 1. Relistiont of the 01yepic databise. We have the following tables: - Athletes: For every athlete, we record a unique athlete_id, the country they represent, their name, and their age. - Events: This table lists all the events that are part of the 2016 Olympic games. Every event has a unique integer event_id and a name. - Event_Results: Lists the outcomes of all events. Every outcome records the event_id of the event, the athlete_id of the athlete that won a medal in the event, (or was part of the team that won), and the standing of the athlete (i.e., gold, silver or bronze). Given this database instance, answer the following questions: (a) [2 points] Which of the following is the meaning of the expression: age225 (Athletes) 1. It lists the athlete id and name of all athletes that are at least 25 years old. 2. It lists all attributes of all athletes whose age is greater than or equal to 25 . 3. It lists all athlete ages that are greater than or equal to 25 . 4. None of the above. The real answer is