sql - Display employee name,total salary of each employee(total salary=salary+commission) -
display employee name, total salary of each employee.
conditions:
- if commission
not null
total salary=(salary + commission)
- else
total salary = salary
;
here table:
table name: myemp
columns:
empno [primary key], name, salary, commission, deptno create table myemp ( empno number primary key, name varchar2(20), salary number, commission number, deptno number );
query:
select name, salary, commission, (salary + ((salary*commission) / 100)) "total_salary" myemp;
this query give incorrect result.
when commission null
, total_salary = 0
. should total_salay=salary
;
how fix this?
my table below: sql> select * emp;
empno ename job mgr hiredate sal comm deptno
7369 smith clerk 7902 17-dec-80 800 20 7499 allen salesman 7698 20-feb-81 1600 300 30 7521 ward salesman 7698 22-feb-81 1250 500 30 7566 jones manager 7839 02-apr-81 2975 20 7654 martin salesman 7698 28-sep-81 1250 1400 30 7698 blake manager 7839 01-may-81 2850 30 7782 clark manager 7839 09-jun-81 2450 10 7788 scott analyst 7566 19-apr-87 3000 20 7839 king president 17-nov-81 5000 10 7844 turner salesman 7698 08-sep-81 1500 0 30 7876 adams clerk 7788 23-may-87 1100 20 7900 james clerk 7698 03-dec-81 950 30 7902 ford analyst 7566 03-dec-81 3000 20 7934 miller clerk 7782 23-jan-82 1300 10
14 rows selected.
my result table while have null value in comm column is:
sql> select empno,ename,sal,comm,(sal+nvl(comm,0)) "total_sal" emp;
empno ename sal comm total_sal
7369 smith 800 800 7499 allen 1600 300 1900 7521 ward 1250 500 1750 7566 jones 2975 2975 7654 martin 1250 1400 2650 7698 blake 2850 2850 7782 clark 2450 2450 7788 scott 3000 3000 7839 king 5000 5000 7844 turner 1500 0 1500 7876 adams 1100 1100 7900 james 950 950 7902 ford 3000 3000 7934 miller 1300 1300
14 rows selected.
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