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
Who are the technicians from team 'CLE' and 'CWS'?
assistant
SELECT Name FROM technician WHERE Team = 'CLE' OR team = 'CWS';
human
Please show me the starting years for them
assistant
SELECT Starting_Year FROM technician WHERE Team = 'CLE' OR team = 'CWS';
human
What years are shared?
assistant
SELECT Starting_Year FROM technician WHERE Team = "CLE" INTERSECT SELECT Starting_Year FROM technician WHERE Team = "CWS" ;