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Kipish [7]
3 years ago
15

Select all statements that correctly describe the ramifications of important features supported by modern DBMS.

Computers and Technology
1 answer:
lara [203]3 years ago
3 0

Answer:  

"Option b and Option d" is the correct option for this question.

Explanation:

In the database, datatype belongs to the information storage medium, which can hold a specific type of value. There are several data types, which is used in database like integer, character, series, floating-point and array numbers, and the rules, that give levels of security to information are known as a security constraints. It may be either developed as rules on integrity, mathematical formalism rules or schematic rules, and other choices were wrong which can be described as follows:

  • In option a, The asserts, which is in any exchange in a database, should only modify the information, that is effected in acceptable ways is called consistency, that's why it is wrong.
  • In option c, The validity and accuracy of the data in the database can not be ensured, that's why it is wrong.
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Answer:

d = {}

while True:

   name = input("Enter the name of the boat (Press Enter or q to stop): ")

   if name == "" or name == "q":

       break

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winner_time = min(d.values())

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print(f"Slowest boat: {slowest_boat} and its time: {slowest_time}")

Explanation:

*The code is in Python.

Create an empty map(dictionary) to hold the values

Create a while loop. Inside the loop:

Ask the user to enter the name of the boat. Check if the user presses Enter or q, using if and break

Ask the user to enter the time

Insert these values as key-value pair to the map

When the loop is done:

Find the winner_name, the min() function finds the minimum value in a list. In this case, the key=d.get creates a list of the values in the map. The min(d, key=d.get) returns the key of the minimum value

Find the winner_time, min(d.values()) returns the minimum time in our map

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Answer:

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Explanation:

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