Which of the following are guidelines for designing the relational schema ?
a. Reduce the redundant values in tuples
b. Reduce the NULL values in tuples
c. Always make relations 3NF
d. All of the others
Answer: D
Which of the following are guidelines for designing the relational schema ?
a. Reduce the redundant values in tuples
b. Reduce the NULL values in tuples
c. Always make relations 3NF
d. All of the others
Answer: D