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Dimas [21]
3 years ago
11

According to Codd's _____ rule of relational databases, if the system supports low-level access to the data, users must not be a

llowed to bypass the integrity rules of the database. a. nonsubversion b. information c. guaranteed access d. view updating
Computers and Technology
1 answer:
Makovka662 [10]3 years ago
7 0

Answer:

a. nonsubversion

Explanation:

Codd has 12 rules for relational databases which can be used in recent times to describe how Structured Query Language server operates.  

The rule no 12 is the Non-Subversion Rule which states that if a system supports a low-level language, then that language will not be used to subvert the integrity rules that are being expressed in relational languages that are of higher levels

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1. Implement the function dict_intersect, which takes two dictionaries as parameters d1 and d2, and returns a new dictionary whi
stich3 [128]

Answer:

1  

def dict_intersect(d1,d2): #create dictionary

  d3={} #dictionaries

  for key1,value1 in d1.items():       #iterate through the loop  

      if key1 in d2:   #checking condition

          d3[key1]=(d1[key1],d2[key1])   #add the items into the dictionary  

  return d 3

print(dict_intersect({'a': 'apple', 'b': 'banana'}, {'b': 'bee', 'c': 'cat'})) #display

2

def consolidate(*l1):  #create consolidate

  d3={} # create dictionary

  for k in l1:       #iterate through the loop

      for number in k:   #iterate through  the loop                               d3[number]=d3.get(number,0)+1   #increment the value

             return d 3 #return

print(consolidate([1,2,3], [1,1,1], [2,4], [1])) #display

Explanation:

1

Following are  the description of program

  • Create a dictionary i.e"dict_intersect(d1,d2) "   in this dictionary created a dictionary d3 .
  • After that iterated the loop and check the condition .
  • If the condition is true then add the items into the dictionary and return the dictionary d3 .
  • Finally print them that are specified in the given question .

2

Following are  the description of program

  • Create a dictionary  consolidate inside that created a dictionary "d3" .
  • After that iterated the loop outer as well as inner loop and increment the value of items .
  • Return the d3 dictionary and print the dictionary as specified in the given question .

5 0
4 years ago
Which of the following variable declarations is a correct assignment?
Gwar [14]

Answer:

Option D: double y = 82;

Explanation:

In Java programming, it is acceptable to assign an integer (lower type) to a double type (higher type) variable. By assigning an integer to double type variable using the "=" operator, the integer will be converted to double type implicitly. It is known as the implicit type casting.  

For example, <em>double y = 82</em> will convert integer 82 (integer) to 82.0 (double).

6 0
3 years ago
The numbers, text, or cell references used by the function to return a value are called ____.
Alenkasestr [34]
The numbers, text or cell references used by the function to return a value are called ARGUMENTS. In computers and technology, arguments is referred to as a value that is assigned to something that returns when it is stated in a code.
8 0
4 years ago
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Vera_Pavlovna [14]

Answer:

to protect children enrolled in kindergarten, elementary, and secondary schools and learning centers ( from being bullied. It requires Schools to adopt policies to address the existence of bullying in their respective institutions.

Explanation:Hope this helps pls mark brainliest!

6 0
3 years ago
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pav-90 [236]

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<em>-</em><em> </em><em>BRAINLIEST</em><em> answerer</em>

7 0
3 years ago
Read 2 more answers
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