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IgorLugansk [536]
3 years ago
15

You just read a restaurant review on the internet of the newest restaurant in town. The writer of the article said the food was

fantastic but had some kinks to work out. Select the correct statement.
The restaurant review contains data but is not data itself


The restaurant review is data


The restaurant review is facts


Restaurant reviews are not data
Computers and Technology
1 answer:
Marizza181 [45]3 years ago
6 0
A. The restaurant review contains data but is not data itself. 
I'm sorry if that's wrong, but that seems right to me. 

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maximum cardinality indicates whether or not an instance of one entity class must be related to at least one instance of another
vladimir1956 [14]

This is false.

What is cardinality?

Cardinality refers to the entity instances for which it is eligible to participate in a relationship instance. There are two types of cardinality, maximum and minimum.

What is maximum cardinality?

  • The maximum cardinality of a relationship is the maximum number of instances of entity B that may be associated with each instance of entity A.
  • Maximum cardinality: maximum number of entity instances that can participate in a relationship.
  1. One-to-One [1:1]
  2. One-to-Many [1:N]
  3. Many-to-Many [N:M]

To know more about maximum cardinality , refer:

brainly.com/question/18090451

#SPJ4

4 0
1 year ago
Cars are only as safe as their driver, so __ is your bet to lower your risk.
lara [203]

seatbelt

Explanation:

Seatbelt lowers your momentum so it can take impact to be less dangerous

7 0
2 years ago
Consider the efficiency of locating the kth element in a singly-linked list. How does that compare to locating the kth element i
eimsori [14]

Answer:

Finding kth element is more efficient in a doubly-linked list when compared to a singly-linked list

Explanation:

Assuming that  both lists have firs_t and last_ pointers.

For a singly-linked list ; when locating a kth element, you have iterate through a number of k-1 elements which means that locating an element will be done only in one ( 1 ) direction

For a Doubly-linked list : To locate the Kth element can be done from two ( directions ) i.e. if the Kth element can found either by traversing the number of elements before it or after it . This makes finding the Kth element faster because the shortest route can be taken.

<em>Finding kth element is more efficient in a doubly-linked list when compared to a singly-linked list </em>

4 0
2 years ago
The Sieve of Eratosthenes is an elegant algorithm for finding all the prime numbers up to some limit n. The basic idea is to fir
IRISSAK [1]

Answer:

Check the explanation

Explanation:

#!usr/bin/python

#FileName: sieve_once_again.py

#Python Version: 2.6.2

#Author: Rahul Raj

#Sat May 15 11:41:21 2010 IST

 

fi=0 #flag index for scaling with big numbers..

n=input('Prime Number(>2) Upto:')

s=range(3,n,2)

def next_non_zero():

"To find the first non zero element of the list s"

global fi,s

while True:

if s[fi]:return s[fi]

fi+=1

def sieve():

primelist=[2]

limit=(s[-1]-3)/2

largest=s[-1]

while True:

m=next_non_zero()

fi=s.index(m)

if m**2>largest:

primelist+=[prime for prime in s if prime] #appending rest of the non zero numbers

break

ind=(m*(m-1)/2)+s.index(m)

primelist.append(m)

while ind<=limit:

s[ind]=0

ind+=m

s[s.index(m)]=0

#print primelist

print 'Number of Primes upto %d: %d'%(n,len(primelist))

if __name__=='__main__':

sieve()

4 0
2 years ago
You have a MySQL database running on an EC2 instance in a private subnet. You can connect via SSH, but you are unable to apply u
AnnZ [28]

Answer:

Ensure that "Source/Destination Checks" is disabled on the NAT instance.

Explanation:

A NAT (Network Address Translation) instance is, like a bastion host, an EC2 instance that lives in your public subnet. A NAT instance, however, allows your private instances outgoing connectivity to the internet while at the same time blocking inbound traffic from the internet.

Many people configure their NAT instances to allow private instances to access the internet for important operating system updates. Patching your OS is an important part of maintaining instance level security.

NAT device enables instances in a private subnet to connect to the Internet or other AWS services, but prevents the Internet from initiating connections with the instances.

NAT devices do not support IPv6 traffic, use an egress-only Internet gateway instead.

5 0
3 years ago
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