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Developer-C 11.1
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CREATE TABLE t ( `id` INTEGER, `cust_name` VARCHAR(1), `amount` INTEGER, `date` DATETIME ); INSERT INTO t (`id`, `cust_name`, `amount`, `date`) VALUES ('1', 'A', '100', '2022-08-01'), ('2', 'A', '150', '2022-08-02'), ('3', 'B', '100', '2022-08-01'), ('4', 'B', '300', '2022-08-02'), ('5', 'B', '50', '2022-08-03'), ('6', 'B', '100', '2022-08-04'), ('7', 'C', '200', '2022-08-02');
select id ,cust_name ,amount ,date from ( select * ,row_number() over(partition by cust_name order by date desc) as rn from t where date between date '2022-08-01' and date '2022-08-03' ) t where rn = 1
id
cust_name
amount
date
2
A
150
2022-08-02 00:00:00
5
B
50
2022-08-03 00:00:00
7
C
200
2022-08-02 00:00:00