so u know were your going
Answer:
(c) will be the correct option
Explanation:
Union-compatible : If there are two relations and both have are having same number of attributes then it called union compatibility the domain of similar attributes also must be same for union compatibility. Number of attributes means number of column
so from above discussion it is clear that option (C) will be correct option
You can find the author and research his/her credibility
You can cross-reference the information to other documentations
You can investigate the credibility of the overall website or community. Teachers like to say that community sites like wikipedia aren't very reliable.
Because some features may not be available on some browsers. By viewing it on different browsers, we can see if there's any incompatibilities and fix them.
Answer: the third one
Explanation:
just trust me, the other ones dont mke sense to what I know about the subject, which is a lot
