subject

The following queries produce the same results.

select customer_name, customer_city
from customer, salesman
where customer. salesman_id = salesman. salesman_id
and salesman. lname = 'SMITH';

select customer_name, customer_city
from customer
where customer. salesman_id =
(select salesman_id
from salesman
where lname = 'SMITH')

a. True.
b. False

ansver
Answers: 1

Another question on Computers and Technology

question
Computers and Technology, 23.06.2019 02:00
Which software would you use to create a print design? a. illustrator b. audacity c. reaper d. dreamweaver
Answers: 2
question
Computers and Technology, 23.06.2019 13:00
Which of the following statements is false? a. a class can directly inherit from class object. b. if the class you're inheriting from declares instance variables as private, the inherited class can access those instance variables directly. c. a class's instance variables are normally declared private to enforce good software engineering. d. it's often much more efficient to create a class by inheriting from a similar class than to create the class by writing every line of code the new class requires.
Answers: 3
question
Computers and Technology, 23.06.2019 14:00
In which job role will you be creating e-papers, newsletters and preiodicals
Answers: 1
question
Computers and Technology, 23.06.2019 22:30
You draw two cards from a standard deck of 52 cards, but before you draw the second card, you put the first one back and reshuffle the deck. (a) are the outcomes on the two cards independent? why?
Answers: 3
You know the right answer?
The following queries produce the same results.

select customer_name, customer_city
Questions
question
Mathematics, 20.10.2019 19:30
question
Mathematics, 20.10.2019 19:30
question
Mathematics, 20.10.2019 19:30
Questions on the website: 13722362