create table emp (emp_id NUMBER,name varchar2(30) , salary number , dep number );
begin
insert into emp values (100,'walker' , 3000 , 10 );
insert into emp values (101,'sam' , 10000 , 10 );
insert into emp values (102,'wick' , 7000 , 10 );
insert into emp values (103,'jhony' , 2000 , 20 );
insert into emp values (104,'deep' , 4000 , 20 );
insert into emp values (105,'shelby' , 2000 , 20 );
insert into emp values (106,'roger' , 8000 , 30 );
insert into emp values (107,'sky' , 8000 , 30 );
insert into emp values (108,'blake' , 8000 , 30 );
end;
/