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create TABLE sourceTable (date DATE, Time char(5), Va CHAR(1) NULL, Vb CHAR(1) NULL); INSERT INTO sourceTable(date, Time, Va, Vb) VALUES ('20230101','10:00','A','B'), ('20230101','10:00','A',NULL), ('20230101','10:00','A','B'), ('20230101','10:00',NULL,'B'), ('20230102','10:00','A','B'), ('20230102','10:00','A','B'), ('20230102','10:00','A','B'), ('20230102','10:00','A',NULL); Select Date, Count(Va) as Va, Count(Vb) as Vb from sourceTable group by date;
CREATE TABLE
INSERT 0 8
date
va
vb
2023-01-01
3
3
2023-01-02
4
3
SELECT 2