Answer:
a. select * from R, S where R.C = S.C (+); (R left outer join S)
Explanation:
In SQL, left outer join of two tables R and S joined on a common column C means that all rows of R are included in the result including those rows for which value of R.C is null. On the contrary, right outer join of two tables R and S joined on a common column C means that all rows of S are included in the result including those rows for which value of S.C is null. As per the question our requirement is the former. So option a is correct.
<u>Answer is:</u>
E). They monitor email traffic.
<u>Explanation:</u>
Track Your Device's IP Address with mail. If your laptop or smartphone was stolen, you can use a service like mail to find the IP address of your thief. When you log into those services from any computer, it logs the IP address used, and displays your last used IP in your account. So, these are source for finding the stolen laptop and smartphones.
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The election of 1828, <span>President John Quincy Adams, and Andrew Jackson,</span>
Answer: font-variant
Explanation:
The font-variant style is applied when we need to convert all lowercase characters into uppercase characters. However, the transformed upper letters will be a smaller font-size than the original uppercase letters.
It substitutes lowercase letters with uppercase letters with a similar size to the original lowercase letters.
[ Answer ]
Individuals can easily add or remove devices from their network
[ Explanation ]
This is a benefit as well as a great risk. Being able to add or remove devices from a network can be beneficial but dangerous. You have control over other people's devices. Being able to do this can allow someone to get into your network and see things that they shouldn't be able to see. Removing a device from the network is also not very helpful in certain circumstances.
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