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Tip of the Day
Language: SQL Server
Expertise: Beginner
Feb 7, 2000

WEBINAR:

On-Demand

Application Security Testing: An Integral Part of DevOps


A Simple Beginner's Problem from a Swedish Student

Question:
Facts: Employee(name,salary,boss,department)

Question: Which employees earn more than their boss ?

Answer:
Please make sure you don't share the results with your boss! : )

Try the following:

use pubs
go
create table myemployee
( name char(30),
  salary int,
  boss char(30),
  department char(15),
  constraint pk_employee primary key(name)
)
 go

insert into myemployee (name,salary,boss,department)values ('FRANK',50000,'FRANK','ACCOUNTING')
insert into myemployee (name,salary,boss,department)values ('JIM',40000,'FRANK','ACCOUNTING')
insert into myemployee (name,salary,boss,department)values ('JOE',70000,'FRANK','ACCOUNTING')
insert into myemployee (name,salary,boss,department)values ('HARRY',80000,'HARRY','MIS')
insert into myemployee (name,salary,boss,department)values ('TIM',45000,'HARRY','MIS')
insert into myemployee (name,salary,boss,department)values ('TOM',90000,'HARRY','MIS')


select e.name as 'Employee', e.salary as 'Employee Salary', boss.name as 'Boss', 
   boss.salary as 'Boss Salary'
from myemployee e, myemployee boss
where
e.boss = boss.name and
e.salary > boss.salary
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