MCQ IN COMPUTER SCIENCE & ENGINEERING

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COMPUTER SCIENCE AND ENGINEERING

SQL

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Now() returns ____
A
current date
B
current date and time
C
current time
D
None of the above
Explanation: 

Detailed explanation-1: -The NOW() function returns the current date and time. Note: The date and time is returned as “YYYY-MM-DD HH-MM-SS” (string) or as YYYYMMDDHHMMSS. uuuuuu (numeric).

Detailed explanation-2: -The datetime() function returns the date and time as text in their same formats: YYYY-MM-DD HH:MM:SS.

Detailed explanation-3: -The Date() function returns the current system date.

Detailed explanation-4: -NOW() : This function in MySQL is used to check the current date and time value. The return type for NOW() function is either in ‘YYYY-MM-DD HH:MM:SS’ format or YYYYMMDDHHMMSS.

Detailed explanation-5: -Get the current date and time in Python If we need to get the current date and time, you can use the datetime class of the datetime module. Here, we have used datetime.now() to get the current date and time. Then, we used strftime() to create a string representing date and time in another format.

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