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:
f = int(input("Enter a number: "))
if(f%7==0):
print("It's divisible by 7.")
else:
if(f<7):
print("7")
else:
print(str(f-(f%7))+", "+str(f+(7-(f%7))))
Answer:
The function in Python is as follows:
def greetings(details):
details = details.split(' ')
print('Hello, '+details[0]+'!, I also enjoy '+details[2])
Explanation:
This defines the function
def greetings(details):
This splits the input string by space
details = details.split(' ')
This prints the required output
print('Hello, '+details[0]+'!, I also enjoy '+details[2])
After splitting, the string at index 0 represents the name while the string at index 2 represents the hobby
I think it might be Heading & Border
