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Kaylis [27]
3 years ago
5

The relational model describes data using a standard tabular format; all data elements are placed in three-dimensional tables ca

lled relations, which are the logical equivalent of files.
a. True.
b. False.
Computers and Technology
1 answer:
frutty [35]3 years ago
8 0

Answer:

False

Explanation:

Relational Database are only two dimensional (not three dimensional).

Note: Relations are two dimensional tables in relations databases.

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Write a loop that reads strings from standard input where the string is either "land", "air", or "water". The loop terminates wh
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Answer:

count_land = count_air = count_water = 0

while True:

   s = input("Enter a string: ")

   if s == "xxxxx":

       break

   else:

       if s == "land":

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       elif s == "air":

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       elif s == "water":

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print("air: " + str(count_air))

print("water: " + str(count_water))

Explanation:

*The code is in Python

Initialize the variables

Create a while loop that iterates until a specific condition is met. Inside the loop, ask the user to enter the string. If it is "xxxxx", stop the loop. Otherwise, check if it is "land", "air", or "water". If it is one of the given strings, increment its counter by 1

When the loop is done, print the number of strings entered in the required format

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45 points pls help
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Answer:

Repetition.

Explanation:

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