小数型数据double

double
float

create table my_float (
f1 float,
f2 float(10,2),
f3 float(6,2)
) charset utf8;

insert into my_float values(1000.10,1023.1,1011.10);
insert into my_float values (9999999999,99999999.99,9999.99); – 最大值

insert into my_float values(
1234567890.11,1233434343.1,344323232.4
);