Database System Concepts
Database System Concepts
7th Edition
ISBN: 9781260084504
Author: Abraham Silberschatz, S. Sudarshan, Abraham, Henry Korth, Silberschatz Abraham, Silberschatz Professor
Publisher: McGraw-Hill Education
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Chapter 3, Problem 10PE

Explanation of Solution

a.

Query:

update employee set city=’Newton’ where person_name=’Jones’

Explanatio...

Explanation of Solution

b.

Query:

update worksT set T.salery =T.salary*

  (case

        When (T.salery=1.1>100000) then 1.03

        Else 1.1

  )   

where T.employee_name in (select manger_name from manages)

    and T...

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