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user100 [1]
2 years ago
10

In database systems, the dbms enforces rules about which user can perform which action when. The rules are known as ________.

Computers and Technology
1 answer:
saw5 [17]2 years ago
6 0

I guess the correct answer is concurrency control

Cοncurrеncy cοntrοl is a databasе managеmеnt systеms (DBMS) cοncеpt that is usеd tο addrеss cοnflicts with thе simultanеοus accеssing οr altеring οf data that can οccur with a multi-usеr systеm.

In database systems, the DBMS enforces rules about which user can perform which action when. The rules are known as concurrency control.

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DaniilM [7]

Answer:

See Explaination

Explanation:

class MagicSquare():

def __init__(self,side):

self.side=side

self.two_dimension=[]

for row in range(1,side+1):

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for col in range(1,side+1):

row_line.append(0)

self.two_dimension.append(row_line)

def display(self):

row=0

col=int((self.side-1)/2)

for i in range(1,self.side**2+1):

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row-=1

col+=1

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for line in self.two_dimension:

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