Which of the following is a basic building block of a database that is used to improve the speed and efficiency of data access?

Which of the following is a basic building block of a database that is used to improve the speed and efficiency of data access?

Which of the following is a basic building block of a database that is used to improve the speed and efficiency of data access?



A) table
B) index
C) constraint
D) time stamp

Answer: B) Index