将接受大写和小写的字母数字约束

Question

如何让下面的代码接受小写和大写字母数字？

CONSTRAINT PART_PartNumber_CC CHECK (UPPER (PartNumber) BETWEEN 'AA00' AND 'ZZ99'),

感谢。

Answer 1

试试这个：

       CONSTRAINT PART_PartNumber_CC CHECK (REGEXP_LIKE (PartNumber, '^[[:alnum:]]+$'))