Answer:
c) It creates a better-structured document
Explanation:
The layout of a web page is better controlled. Style (CSS) kept separate from structure (HTML), means smaller file size. Reduced file size means reduced bandwidth, which means faster loading time.
Answer:
3
Explanation:
int(x)=3
int(x) rounds to the smallest whole number
For example,
if you say int(3.99) it is also 3
Answer:
c. This would reduce the number of tuples to involve in the join resulting in a more efficient query.
Explanation:
SQL or structured query language is a database querying language used to communicate or interact with databases. A database query could be as simple as returning all the columns from a database table to complex like joining several query results which in turn forms an algebra expression.
Every query statement or expression is executed with time, execution time needs to be minimized for efficiency, so, a well-arranged and reduced joining in the query improves the efficiency of the query.
