Answer:
SELECT inventory_id, film_id, title, store_id, address_id
FROM Inventory.Inventory
JOIN Business.store ON Inventory.store_id = store.store_id
JOIN Business.rental ON rental.film_id = Inventory.film_id
JOIN film_text ON Inventory.film_id = film_text.film_id
WHERE COUNT(rental_id) = 0;
Explanation:
The JOIN clause is also used to query tables from two databases. The Inventory and the Business database are joined in the inventory and store table respectively. The Query also joins the inventory table and the film_text table to get the title or name of the film rented where the rental_id count is equal to zero.
Answer:
Mobile Hotspot
Explanation:
using Mobile Hotspot you can connect to the internet using mobile data.
For this to work you should turn off the Wi-Fi in your mobile if any. We can connect more than one device using mobile hotspot
Answer:
Well, I would definitely advise him to buy USB hubs.
Explanation:
USB hub is a device that can give additional USB slot for the user just by consuming one single slots. In recent years, USB hubs can contain more than 9 slots with different variety, including HDMI and DVI that is required by this particular friend.
Using this device will make it easier to plug in and plug out all the devices he wants to his laptop since it all connected to one single hub.
Since he only has the budget under 100$ , Dell DA300 6-in-1 USB-C Hub could be a good option for Him.
Answer: Information security
Explanation:
The information security is one of the system that keeps the data confidential, assure the integrity and also availability of the information or data.
This system is basically refers as the CIA triad in the information security system and the data risk management.
The main aim of the information security is that keeps the data protected from the unauthorized accessing and also controlling the access in the system.
Therefore, Information security is the correct answer.