Are the following $2$ SQL queries equivalent, i$.$e$.$ retrieve the same data? $(2$ points$)$ Why? What are the differences between them

First SQL Query:

SELECT customer$\_$id$,$ sum$($purchase$\_$price$*$quantity$)$

FROM customer

WHERE sum$($purchase$\_$price$*$quantity$)>100$

Second SQL Query

$$SELECT customer$\_$id$,$ sum$($purchase$\_$price$*$quantity$)$

FROM customer

GROUP BY customer$\_$id

HAVING SUM$($purchase$\_$price$*$quantity$)>100$