Answer:
C
Explanation:
Because they were paid less to set people free
The entity integrity rule states that a primary key attribute can be null. Thus the statement is false.
<h3>What is an entity?</h3>
An entity is refer to any object that exists in reality. These entities are Independent in nature. Each row in a table should be a distinct entity, which is ensured by entity integrity.
The entity integrity rule states that a primary key attribute can not be null as it shows unique characteristics of an entity.No primary key value can be null according to the entity integrity constraint because it is needed to identify specific attribute values in relation.
Therefore, the statement is False.
learn more about entity integrity, here:
brainly.com/question/19593791
#SPJ4
<span>In the last sixteen days of President Thomas Jefferson's presidency, the Congress replaced the Embargo Act of 1807 with the almost unenforceable Non-Intercourse Act of March 1809. This Act lifted all embargoes on American shipping except for those bound for British or French ports.</span>
Answer:
On May 17, 1954, U.S. Supreme Court Justice Earl Warren delivered the unanimous ruling in the landmark civil rights case Brown v. Board of Education of Topeka, Kansas. State-sanctioned segregation of public schools was a violation of the 14th amendment and was therefore unconstitutional.
Explanation:
:)
