Examlex
_____ not only helps database designers to stay on track during the design process, it also enables them to pick up the design thread when the time comes to modify the design.
1840s
A decade during the 19th century characterized by significant political, social, and technological changes worldwide, including the widespread use of the telegraph and the growth of the abolition movement.
National History
The recorded events, developments, and narratives that form and define the identity, heritage, and past of a nation or country.
Empires
Extensive groups of states or countries ruled over by a single monarch, an oligarchy, or a sovereign state.
Nations
Nations are large groups of people who share a common identity, history, culture, or language, often possessing or seeking their own government and territory.
Q10: The Systems Development Life Cycle (SDLC) is
Q18: Which of the following is the first
Q26: U.S. state abbreviations are always two characters,
Q39: A table is also called a(n) _
Q43: In a page-level lock, the DBMS will
Q46: A(n) _ lock exists when concurrent transactions
Q53: DBMS query processing has _ phases.
Q55: _ is a collection of concepts, techniques,
Q57: To avoid nulls, some designers use special
Q62: What is a weak relationship? Provide an