SQL & PL/SQL :: Table Creation - Facing Error ORA-02438?

i want to create a table to perform a task when i insert client account details in this table then check the account type is in(S,C,R) and balance should be also check when account type S then balance >=5000, account type C then balance >=10000 and account type R then balance >=5000 but when i run this query then facing error "ORA-02438: Column check constraint cannot reference other columns"

SQL> ed
Wrote file afiedt.buf

1 create table kcb_acc_tab
2 (
3 accno varchar2(20) constraint accno_pk primary key,
4 name varchar2(20) constraint name_nn not null
5 constraint name_chk check((substr(name,1,1) between 'A' and 'Z') and name=upper(name)),

[code]....