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MatroZZZ [7]
3 years ago
15

A single-user database system automatically ensures ____ of the database, because only one transaction is executed at a time. se

rializability and durability serializability and isolation atomicity and serializability atomicity and isolation
Computers and Technology
1 answer:
Anon25 [30]3 years ago
3 0

Answer: serializability and isolation

Explanation: A database system that is also known as the database management system(DBMS) which is a system that is responsible  for the data storage interface. It has the capability of storing large data units and can has interface language which is easy to maintain connection/interface.

When there is one execution cycle in database ,then serial order of the database is maintained automatically with the isolation feature because there will be only one cycle for the execution and ensuring that no error arises.

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Write an algorithm to verify a number as even​
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The term _____ distinguishes the person who uses a hardware or software product from the IT workers who develop, install, servic
adell [148]

Answer:

"It user" is the correct answer for the above question.

Explanation:

  • It users are the user who is generally using the computers and the It system for their work.
  • But the It workers works is to install the service and to develop the service for the IT users.
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8 0
4 years ago
3. Write a function named sum_of_squares_until that takes one integer as its argument. I will call the argument no_more_than. Th
kenny6666 [7]

Answer:

Following are the program to this question:

def sum_of_squares(no_more_than):#defining a method sum_of_squares that accepts a variable

   i = 1#defining integer variable  

   t = 0#defining integer variable

   while(t+i**2 <= no_more_than):#defining a while loop that checks t+i square value less than equal to parameter value  

       t= t+ i**2#use t variable to add value

       i += 1#increment the value of i by 1

   return t#return t variable value

print(sum_of_squares(12))#defining print method to call sum_of_squares method and print its return value

Output:

5

Explanation:

In the program code, a method "sum_of_squares" is declared, which accepts an integer variable "no_more_than" in its parameter, inside the method, two integer variable "i and t" are declared, in which "i" hold a value 1, and "t" hold a value that is 0.

In the next step, a while loop has defined, that square and add integer value and check its value less than equal to the parameter value, in the loop it checks the value and returns t variable value.

6 0
3 years ago
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