human
Schema:
Problem_Category_Codes (problem_category_code, problem_category_description)
Problem_Log (problem_log_id, assigned_to_staff_id, problem_id, problem_category_code, problem_status_code, log_entry_date, log_entry_description, log_entry_fix, other_log_details)
Problem_Status_Codes (problem_status_code, problem_status_description)
Product (product_id, product_name, product_details)
Staff (staff_id, staff_first_name, staff_last_name, other_staff_details)
Problems (problem_id, product_id, closure_authorised_by_staff_id, reported_by_staff_id, date_problem_reported, date_problem_closed, problem_description, other_problem_details)
Please answer with SQL.
assistant
Sure, I understand.
human
What are the ids of the problems reported before the date of any problem reported by Lysanne Turcotte?
assistant
SELECT T1.problem_id FROM problems AS T1 JOIN staff AS T2 ON T1.reported_by_staff_id = T2.staff_id WHERE date_problem_reported < ( SELECT min(date_problem_reported) FROM problems AS T3 JOIN staff AS T4 ON T3.reported_by_staff_id = T4.staff_id WHERE T4.staff_first_name = 'Lysanne' AND T4.staff_last_name = 'Turcotte' )
human
What are the ids of the problems reported after the date of any problems reported by Rylan Homenick?
assistant
SELECT T1.problem_id FROM problems AS T1 JOIN staff AS T2 ON T1.reported_by_staff_id = T2.staff_id WHERE date_problem_reported > ( SELECT max(date_problem_reported) FROM problems AS T3 JOIN staff AS T4 ON T3.reported_by_staff_id = T4.staff_id WHERE T4.staff_first_name = 'Rylan' AND T4.staff_last_name = 'Homenick' )
human
What is the oldest log id and its corresponding problem id?
assistant
SELECT problem_log_id , problem_id FROM problem_log ORDER BY log_entry_date LIMIT 1
human
What is the id of the problem log that is created most recently?
assistant
SELECT problem_log_id FROM problem_log ORDER BY log_entry_date DESC LIMIT 1
human
List all the log ids and their descriptions from the problem logs.
assistant
SELECT problem_log_id , log_entry_description FROM problem_log
human
For the problem with id 10, return the ids and dates of its problem logs.
assistant
SELECT problem_log_id , log_entry_date FROM problem_log WHERE problem_id = 10 ;