Database System Concepts
Database System Concepts
7th Edition
ISBN: 9789332901384
Author: Henry F. Korth & S. Sudarshan Abraham Silberschatz
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 3, Problem 15E

Explanation of Solution

a.

DISTINCT Keyword: “DISTINCT” keyword is used to avoid redundant data (removing duplicate values) from a column. The syntax for “DISTINCT” keyword is as follows:

SELECT DISTINCT column_Name FROM table_Name;

Query:

create distinct S.customer_name from depositor S where not exists(

(select branch_name from branch where branch_city=’Brooklyn’) except

  (select R...

Explanation of Solution

b.

SELECT statement:

It is used to retrieve information from the table or database. The syntax for the “SELECT” statement is given below:

SELECT *...

Explanation of Solution

c.

Query:

select branch_name from branch where assets>some (select asset from branch where branch_city=’Brooklyn’)

Explanation:

The above query is used to find the “branch_na...

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