书商害人啊

周日逛书城，翻开某数据库的书。看到如此结果

bigint -2^63 (-9,223,372,036,854,775,808) to 2^63-1 (9,223,372,036,854,775,807)8 Bytes

smallint-2^31 (-2,147,483,648) to 2^31-1 (2,147,483,647)4 Bytes

int -2^15 (-32,768) to 2^15-1 (32,767)2 Bytes

只能一声叹息：书商和作者害人啊！！！