Databases and database systems questions

A relation that has no partial functional dependencies is in 2NF.

A relation in 1NF suffers from insertion, deletion and update anomalies.

A table with insertion, deletion and update anomalies has to be broken down into two to remove the anomalies.

A relationship is an association between two or more tables in an E-R model.

We use a surrogate key when no field can be unique for each entity instance.