With respect to relational databases, which of the following statement$($s$)$ is $($are$)$ true?

A foreign key is only found in one table; it is not allowed to be in another table.

When data about objects of interest are stored in separate database tables, it is easier to avoid insert anomalies.

Semantic data modeling uses a system designer$$s knowledge of business processes to create tables in $3$NF$.$

According to the entity integrity rule, a primary key can uniquely identify a table row if it is blank.

An insert anomaly occurs when there is no way to update records to a database.