Answer:
a, duplicate the object.
Explanation:
just took the exam on edg
Answer:
A primary key is a special relational database table column (or combination of columns) designated to uniquely identify each table record. A primary key is used as a unique identifier to quickly parse data within the table. A table cannot have more than one primary key.
Primary Key.
Candidate Key.
Alternate Key.
Super Key.
Composite Key.
Foreign Key.
Unique Key.
In the relational model of databases, a primary key is a specific choice of a minimal set of attributes that uniquely specify a tuple in a relation. Informally, a primary key is "which attributes identify a record," and in simple cases constitute a single attribute: a unique ID.
Explanation:
Answer:
Option (C) is the correct answer of this question.
Explanation:
Smart card is the security administrator wishes to implement two-factor authentication to improve security.Normally this data is affiliated with either meaning, information, or both, and will be stored and transmitted within the chip of the card.A smart card, usually a Chip Card type.
- It is a flexible card that holds an integral computer chip that preserves and sends a signal data, either database or semiconductor form.
- Used for controlling access to a resource.
- Data authentication, encryption, cloud storage, and software processing can be established by smart cards.
Other options are incorrect.
What is your question? I’ll try my best to help
#This is a way without a loop
friends = list(map(str,input("Enter Names: ").split()))
print(sorted(friends))
#This is a way with a loop (for&&while)
friends = list(map(str,input("Enter Names: ").split()))
cool = True
while cool:
cool = False
for i in range(len(friends)-1):
if friends[i] > friends[i+1]:
coo = friends[i]
friends[i] = friends[i+1]
friends[i+1] = coo
cool = True
print(friends)
