True or False

Database Management System (DBMS) is the technical term for a database.

T F

An ER model is (or ideally should be) independent of a specific DBMS.

T F

Inserting a date value into a tables FirstName column would violate Entity Integrity.

T F

R S (cross product) results in a relation that has at least as many tuples as relation R.

T F

R S (natural join) results in a relation that has at least as many tuples as relation R.

T F

The Intersection of two relations can have more records than their Union.

T F

A relation can only have one candidate key.

T F

The closure of an attribute X is the set of other attributes that can be determined from X.

T F

A relation that is in 3^rd normal form is also in 2^nd normal form.

T F

DML (e.g., the CREATE command in SQL) is used to define a databases schema.

T F

In SQL, the UPDATE command can be used to modify a previously created table.

T F

The GROUP BY clause is (logically) evaluated after the WHERE clause.

T F