create table employee( ID number(11),
name varchar2(50)not null,
DOB date,  Gender varchar2(6)not null,N_CODE varchar2(20),
Tel number(7), job varchar2(50),Experience varchar2 (100),
primary Key (ID));

create table users ( 
loginname varchar2(5),
password varchar2(5),
emp_id number(9),primary key (loginname),
foreign key (emp_id) references employee (id));


      
     
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