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
List the problem id and log id which are assigned to the staff named Rylan Homenick.
assistant
SELECT DISTINCT T2.problem_id , T2.problem_log_id FROM staff AS T1 JOIN problem_log AS T2 ON T1.staff_id = T2.assigned_to_staff_id WHERE T1.staff_first_name = 'Rylan' AND T1.staff_last_name = 'Homenick'
human
Find the ids of the problems that are reported by the staff whose last name is Bosco.
assistant
SELECT T1.problem_id FROM problems AS T1 JOIN staff AS T2 ON T1.reported_by_staff_id = T2.staff_id WHERE T2.staff_last_name = 'Bosco'
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
Find all the ids and dates of the logs for the problem whose id is 10.
assistant
SELECT problem_log_id , log_entry_date FROM problem_log WHERE problem_id = 10
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
Find 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 ;