1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
harina [27]
3 years ago
10

What is the difference between a key and a superkey?

Computers and Technology
1 answer:
netineya [11]3 years ago
4 0

Answer:

Answered below

Explanation:

A key is a single or combination of many attributes that enable us pull a row of data from a table. Keys are identifiers used to get data seamlessly from the database. A key can be a primary key, secondary key, control key, or super key. A super key is a key or set of attributes use to identify tuples in a database. It can contain extra attributes not necessary for uniquely identifying a database.

You might be interested in
What protocol suite below is the most commonly used protocol for local area network (lan) communication?
grandymaker [24]
Answer TCP/IP is the most common protocol in Local Area Networks.
3 0
4 years ago
47. Which of these examples demonstrates good netiquette?
Masteriza [31]

Answer:

typing it, on a video detailing how boring and poorly made it is

Explanation:

this is an example of good netiquette because they are criticizing the video game and what good netiquette is is making a comment relevant to the original message. the original message being the video game

3 0
3 years ago
Given that Marcy worked 42 hours (Hours = 42) last week and earns $10.00 an hour (Rate = 10), how much did Marcy earn last week,
serg [7]

Answer: $420

Explanation: from the question above, mercy worked 42 hours at $10 an hour. Her total pay before tax is: 42 x 10 =

$420

5 0
4 years ago
On the Audio Tools contextual tab, which tab will control how the audio file appears, if it appears, on the slide itself?
dexar [7]

Answer:

B.

Explanation:

3 0
3 years ago
Read 2 more answers
A(n) ____ stores a query and is used to access data in the underlying tables.
choli [55]
A cross tab query is good in data assessment
 in any underlying tables.
<span />
7 0
3 years ago
Other questions:
  • Do Violent Video Games Make People More violent in Real Life ?
    14·1 answer
  • Create a button to play the playlist <br><br> Java, netbeans
    7·2 answers
  • What type of hard drive is in original xbox?
    6·1 answer
  • Write a recursive, bool-valued function, containsVowel, that accepts a string and returns true if the string contains a vowel. A
    5·1 answer
  • Your company received a call from a historical society inquiring about the possibility of networking a two-century-old building
    15·1 answer
  • Where is a 3D modeler most likely to work?
    6·1 answer
  • You wouldn't think a simple shop like Dippy Donuts would be an interesting target for hackers. But look beyond the donuts and yo
    7·1 answer
  • What is the gear ratio?
    12·1 answer
  • URGENT HELPP<br> WILL MARK BRAINLIST
    6·1 answer
  • STOP DELETING MY ANSWERS AND QUESTIONS!!!!!!!
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!