--Create test_upd table
CREATE TABLE test_upd(
    first_name   VARCHAR2(50 BYTE),
    last_name    VARCHAR2(50 BYTE),
    salary       NUMBER(6,0)
);

--Insert some rows
Insert into TEST_UPD (FIRST_NAME,LAST_NAME,SALARY) values ('Steven','King',24000);
Insert into TEST_UPD (FIRST_NAME,LAST_NAME,SALARY) values ('Neena','Kochhar',17000);
Insert into TEST_UPD (FIRST_NAME,LAST_NAME,SALARY) values ('Lex','De Haan',17000);
Insert into TEST_UPD (FIRST_NAME,LAST_NAME,SALARY) values ('Alexander','Hunold',9000);
Insert into TEST_UPD (FIRST_NAME,LAST_NAME,SALARY) values ('Bruce','Ernst',6000);