Solved

To Avoid Nulls, Some Designers Use Special Codes, Known as _____

Question 57

Short Answer

To avoid nulls, some designers use special codes, known as _____, to indicate the absence of some value.

Related Questions

Q52: Character data can contain any character or

Q53: A(n) _ is an orderly arrangement used

Q54: Describe the use of null values in

Q55: A data dictionary is sometimes described as

Q56: When you define a table's primary key,

Q58: PRODUCT yields all possible pairs of rows

Q59: A(n) _ links tables on the basis

Q60: According to Codd's _ rule of relational

Q61: One characteristic of generalization hierarchies is that

Q62: An index key can have multiple _