Week 7 Flashcards
1
Q
Predication evaluation in SQL is done by using what type of logic?
A
Three-valued logic
2
Q
What are the three potential values in SQL for predication
A
TRUE
FALSE
3
Q
Are tuples ordered?
A
NO
4
Q
When rows are ordered in SQL, where do NULLS appear?
A
At the end of the ordered list (BY DEFAULT)
