Answer:
There is a table in the database named Teacher having columns Email, Expiry Month etc. this query is selecting the email address from the table Teachers on the basis of expiry month that is February.\
Explanation:
Answer: Why are there so many of these?
The modern computer system has been evolutionary. Modern computers have allowed for us to complete hard tasks rather easily. With modern computers, we are able to calculate advanced equations with the click of a button. Trends in computing like RTX can rapidly improve performance, rendering, and tons of other graphical heavy actions. In September of 2018, we got the first RTX card, now in 2021, RTX has become exponentially better than what it was in 2018. With the modern computers comes quantum computers. Quantum computing is estimated to be 100 million times faster than any modern computer. IBM, the company to make the first computer stated that we are in the decade of quantum computing. And who knows? Maybe quantum computing will come sooner rather than later.
Explanation:
You probably should modify this a little so you don't get in trouble. I researched each topic I put into this for about an hour so I hope this is what you need. If it isn't, please don't hesitate to tell me what I didn't add or what went wrong.
Have a good day :)
Answer:
SELECT
list_price,
discount_percent,
ROUND(list_price * discount_percent / 100,2) AS discount_amount
FROM
Products;
Explanation:
B. Sound.
Explanation - instruments create sound waves
Answer:
Voting technology is complicated because it is hard to make sure that the votes are counted correctly.