Question

Examine the description of the EMPLOYEES table:
EMP. ID NUMBER (4) NOT NULL
LAST_NAME VARCHAR2(30) NOT NULL
FIRST NAME VARCHAR2 (30)
DEPT ID NUMBER(2)
JOB_CAT VARCHAR2(30)
SALARY NUMBER (8,2)
Which statement shows the maximum salary paid in each job category of
each department?​

Answer 1

Answer:

LAST_NAME VARCHAR2(30) NOT NULL