Heidi wants to create a collaborative Web page that allows modification by multiple individuals. Here, Heidi is creating a ____.

Give examples of schedules that would be accepted at

a. SNAPSHOT isolation but not REPEATABLE READ. b. SERIALIZABLE but not SNAPSHOT isolation. (Hint: T2 performs a write after T1 has committed.)

A derived class can directly access the protected members of the base class.

Answer the following statement true (T) or false (F)