Answer:
sed '/march/{d;}' birthdays.txt > result
.txt
Explanation:
sed syntax is basically:
<em>sed '/expression/{command;command;...;}' inputfile > outputfile</em>
- First, for the expression part, we use /march/ to match all lines containing that string.
- Then for the command part, we only use {d} command to delete every matching line found.
- The third part contains the input file to process, I have named it birthdays.txt, but it could have been any other file needed.
- Finally "> result
.txt" makes the script output to be saved into a file named result.txt
Answer: i just learned something new.
Explanation:
A partial dependency exists.
We have two types of dependency. The partial dependency and the transitive dependency.
The answer here is partial dependency. It occurs when the attribute only depends on some parts of the element. In such attribute, the primary key is the determinant.
It can be shown as;
XY→WZ , X→W and XY is the primary key or the only candidate key
Read more at brainly.com/question/9588869?referrer=searchResults
