Which of the following may require the database engine to perform a full scan on every record of the database?
A) invalid constraints
B) too many triggers
C) no index is defined
D) no secondary key
Answer: C) no index is defined
Which of the following may require the database engine to perform a full scan on every record of the database?
A) invalid constraints
B) too many triggers
C) no index is defined
D) no secondary key
Answer: C) no index is defined