human
Schema:
repair (repair_ID, name, Launch_Date, Notes)
machine (Machine_ID, Making_Year, Class, Team, Machine_series, value_points, quality_rank)
technician (technician_id, Name, Team, Starting_Year, Age)
repair_assignment (technician_id, repair_ID, Machine_ID)
Please answer with SQL.
assistant
Sure, I understand.
human
Hello! How many technicians are there in total?
assistant
SELECT COUNT( * ) FROM technician;
human
Can you show me a list of all of the technicians names the machines they are assigned to repair? | Did you want the names of technicians and the ids of machines they are assigned to repair? | Yes! Can you show me their names and their machine ids that they are assigned to repair?
assistant
SELECT T2.Name , T1.machine_id FROM repair_assignment AS T1 JOIN technician AS T2 ON T1.technician_ID = T2.technician_ID;
human
Great! Also add to that list the starting year and age of each technician?
assistant
SELECT T2.Name , T1.machine_id , T2.starting_year , T2.age FROM repair_assignment AS T1 JOIN technician AS T2 ON T1.technician_ID = T2.technician_ID ;