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CREATE TABLE employee ( `name` varchar(25), `employee_id` int, `office_location` varchar(4)); insert into employee values ('Happy',1,'A'), ('Sad',2,'B'), ('Angry',3,'C'), ('Hungry',4,'D'), ('Grumpy',5,'E'); CREATE TABLE attendance ( `employee_id` int, `created_at` date, `is_wfh` varchar(10)); insert into attendance values (1,'2022-01-01','true'), (2,'2022-01-01','true'), (3,'2022-01-01','false'), (4,'2022-01-01','false'), (5,'2022-01-01','false'), (1,'2022-01-02','false'), (2,'2022-01-02','true'), (3,'2022-01-02','false'), (4,'2022-01-02','true');
SELECT a.created_at, COUNT(CASE WHEN is_wfh = 'true' THEN 1 ELSE NULL END) AS 'WFH', COUNT(CASE WHEN is_wfh = 'false' THEN 1 ELSE NULL END) AS 'WFO' FROM attendance a JOIN employee e ON a.employee_id = e.employee_id WHERE a.created_at BETWEEN '2022-01-01' AND '2022-01-31' AND e.office_location IN ('A','B','C') group by a.created_at order by a.created_at asc;
created_at
WFH
WFO
2022-01-01
2
1
2022-01-02
1
2