Which of the following is NOT true when deciding when to use a surrogate key?
A) The advantage with a surrogate key is that it can help prevent some cascading changes from primary to foreign key errors.
B) A surrogate key can increase the file size and require more joins.
C) If the key never has a foreign key, you need a surrogate key.
D) If you have a primary key with a foreign key that may need to be changed frequently or more than normal, a surrogate key should be considered.
Question 2
A table is a collection of data or fields.
Indicate whether the statement is true or false
true story
Adapoids and omomyoids had longer snouts and are the first “true” primates.
Which is TRUE about the alternation of generations cycle that is diagramed above?
Project Management: Achieving Competitive Advantage, 5th Edition
Anterosuperior view of true pelvis (blue)
Carbon copy of her surrogate mother