Which scenarios would best be served using OLTP? $($Select TWO.$)$

An online store records the items that a user has added to their shopping cart. A company compares their shoe sales in August with sales in November, then compares those results with another location's.

Amazon finds patterns in customers' purchases to come up with personalized recommendations for products.

An online shopping site needs to make sure that updates and deletions to one of their tables do not make other tables not valid.