Dùng hàm tổng hợp MAX().
Cú pháp:
select max(yourColumnName) as anyVariableName from yourTableName;
Tạo bảng, chèn: 1234, 9999, 10000, 989898, 999987.
Truy vấn:
mysql> select max(BigNumber) as HighestNumber from HighestNumberDemo;
Kết quả:
+---------------+ | HighestNumber | +---------------+ | 999987 | +---------------+ 1 row in set (0.00 sec)