标签: php sql phpmyadmin
我有3个SQL表:
Technican和Manager各自扩展员工。员工的字段employeeType可以等于Manager,Technician或Technician/Manager。
employeeType
Manager
Technician
Technician/Manager
有没有办法检查技术人员表格,以确保只能插入员工类型为Technician/Manager或Technician的员工?