Answer:
The correct option is option 4 from the options indicated below:
Explanation:
The options are as given below
1-SELECT customer# FROM customers
UNION
SELECT customer# FROM orders;
2-SELECT customer# FROM orders
MINUS
SELECT customer# FROM customers;
3-SELECT customer# FROM orders
INTERSECT
SELECT customer# FROM customers;
4-SELECT customer# FROM customers
MINUS
SELECT customer# FROM orders;
Option 1 is not correct as it will provide the list of all the customers whether they have placed order or not.
Option 2 is not correct as it will provide the list of customers who have placed order but are not in the customers table. This will return the empty records.
Option 3 is not correct as it will provide the list of customers who have placed the order.
Option 4 is correct as it will provide the list of customers from the CUSTOMERS table which are not in the Orders table. thus the list of customers who have not placed the order yet.
Answer:
apple watches, airpods, vr headset i hope thats enough write in the comments and i will give you more
Explanation:
Kernal is the core of an operating system that maintains the computer’s clock, starts applications, and assigns the computer’s resources, such as devices, programs, apps, data, and information.
d. kernal.
<u>Explanation:</u>
Every operating system runs the operating system based on kernel instructions. Main or major role of operating system is kernel. If boot loader program fails to load kernel operation is missing the kernel we need to reinstall operating system or repair the operating system.
To display clock in the workstation or laptop or desktop, clock device driver been executed by kernel of operating system.
Kernel is core of any operating system, but kernel also controlled by operating system such as Unix etc.
It is important for a person to upgrade their job skills because upgrading their skills will Increase their self-confidence, Helps to learn new techniques at work, Keep Your Knowledge Up-to-Date, increase your ability in order to do your job well, and so on.
<u>Explanation:</u>
The most significant purposes behind abilities improvement in an association is for the development significant by and by and in an association. Workers need to remain learning so as to develop. At the point when you are going after another position, it's extremely significant that you can exhibit that you stay up with the latest. With certain callings, it's obligatory.
And, the more the abilities hole is developing, the more significant these three viewpoints become. This is on the grounds that we have to unmistakably comprehend whether it is information, expertise or capacity that should be created.
It's d. Graphic designer because they design things on the computer with code
