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Strike441 [17]
3 years ago
12

Consider a relation representing the present position of molecules in a closed container. The attributes are the ID for the mole

cule, the X, Y, and Z coordinates of the molecule, and its velocity in the X, Y, and Z dimensions. Refer to the X, Y, and Z coordinates as PX, PY, and PZ respectively, and the X, Y, and Z velocities as VX, VY, and VZ respectively.
a) What functional dependencies do you expect to hold?

b) What are the keys?

c) Other than the keys list three superkeys.

d) Other than the keys how superkeys are there?

Computers and Technology
1 answer:
pshichka [43]3 years ago
8 0

Answer:

See attached picture.

Explanation:

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marta [7]

Answer:

A browser is a software that is used to access the internet. A browser lets you visit websites and do activities within them like login, view multimedia, link from one site to another, visit one page from another, print, send and receive emails, among many other activities

The most important reason to keep your browser up-to-date is for your own safety and security, and that of your computer. ... If you're a Firefox user, your browser will remind you to update your add-ons whenever new versions become available.

Malicious hackers and Web sites can exploit security flaws in browsers and infect your computer with harmful programs, trojans, and viruses. Regular updates to your browser fix security problems when they are detected, and make your computer safer from those types of attacks.

6 0
4 years ago
What attack cracks a password or encryption key by trying all possible valid combinations from a defined set of possibilities (a
ss7ja [257]

Answer:

Brute Force attack.

Explanation:

A network is a platform where end user devices like computers are connected to communicate and share resources. There are public networks and private networks.

A public network has its end devices and servers configured with a public IP address, which is routable on the internet, while private networks uses private IP addresses which can be used on the internet.

Private networks can be made accessable to public users by configuring an authentication and authorization policy, which could be one or a multi factor authentication. These requires a password and other factors to access the services of a private network.

An attacker can easily access a one factor or a password accessible user account, if the password is weak by using the process called a brute Force attack.

The brute Force attack exploits the vulnerability of weak passwords by entering possible valid combination from a defined set of possibilities.

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4 years ago
Question 4 / 5
kkurt [141]

Answer:

it can damage you liver. and you can drink to much and bleed inside.

4 0
3 years ago
The purpose of the 3030 gas dehydration unit
kozerog [31]

Answer:

Explanation:

Glycol dehydration is a liquid desiccant system for the removal of water from natural gas and natural gas liquids (NGL). It is the most common and economical means of water removal from these streams.[1] Glycols typically seen in industry include triethylene glycol (TEG), diethylene glycol (DEG), ethylene glycol (MEG), and tetraethylene glycol (TREG). TEG is the most commonly used glycol in industry.[1]

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What does it mean to clear a setting in a dialog box?
yaroslaw [1]

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to delete it

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