Answer:
A. Helps to quickly find information in a document
B. Points readers to specific page numbers
D. Locates specific sections within a document
Answer: True
Explanation: yes, it is true that egrep can accept multiple filenames as input arguments for example egrep -r "text1/text2", so this will search in all the sub directories . E grep is also known as 'grep -E' which belongs to the group of grep function and we used egrep to separate multiple patterns for OR conditions. This is also very less time consuming if you are going to search multiple input arguments in multiple different logs at the same time.
Answer:
SELECT CONCATENATE(FIRST_NAME, " ", LAST_NAME) as FULL_NAME FROM TABLE_NAME WHERE MANAGER_ID = 105;
Explanation:
SELECT IS THE KEYWORD TO FETCH DATA
CONCATENATE combines FIRST_NAME, " " AND LAST_NAME and displays as FULL_NAME
TABLE_NAME is the name of the table containing the data
MANAGER _ID is the name of the column containing the manager id data