Distributed transactions typically use which protocol for atomicity?
Which SQL constraint ensures that a column cannot have NULL values?
Which SQL isolation level allows phantom reads but prevents dirty reads and non-repeatable reads?
A column or set of columns that uniquely identifies each row in a table is called a:
A view in SQL is:
Given the following Python-like code snippet:Â
  ```python
  class Counter:
    def __init__(self):
   ...
Which DBMS command is used to remove a table completely along with its structure?
Bitmap indexes are most efficient when:
Which of the following best describes the control flow when a method in a subclass overrides a method in its superclass, and an object of the subclass i...
Shadow paging in recovery eliminates the need for:
