Suppose full name of the instructors are stored as atomic value where parts of names are separated by blank space. Find all instructors who has last name "Rob". (i) (ii) Find the name of those departments whose total salary of the instructors is greater than 600000. (iii) Delete courses having ID beginning with "CS";

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Write SQL queries for the following sentences considering the given relational schema of university
database.
student
takes
ID
dept_neme
lot_crad
semester
yar
grade
section
COurse
department
advisor
COuTse id
se
semester
COurse il
title
dept_name
building
baulget
dept name
credits
Lid
time_slot
budlding
TOO_rio
time_slot_id
time slot_i
stirt time
end_time
prereg
instructor
classroom
building
neme
dept_me
capacity
teaches
salary
ID
sec
semester
ver
Suppose full name of the instructors are stored as atomic value where parts of names are
separated by blank space. Find all instructors who has last name “Rob".
(i)
(ii)
Find the name of those departments whose total salary of the instructors is greater than
600000.
(ii)
Delete courses having ID beginning with "CS";
Transcribed Image Text:Write SQL queries for the following sentences considering the given relational schema of university database. student takes ID dept_neme lot_crad semester yar grade section COurse department advisor COuTse id se semester COurse il title dept_name building baulget dept name credits Lid time_slot budlding TOO_rio time_slot_id time slot_i stirt time end_time prereg instructor classroom building neme dept_me capacity teaches salary ID sec semester ver Suppose full name of the instructors are stored as atomic value where parts of names are separated by blank space. Find all instructors who has last name “Rob". (i) (ii) Find the name of those departments whose total salary of the instructors is greater than 600000. (ii) Delete courses having ID beginning with "CS";
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