We use cookies to improve your experience with our site.
Liu Weiyi. The Determining Method about the Conflict between the Null Constraints and the Set of Functional Dependencies[J]. Journal of Computer Science and Technology, 1989, 4(2): 116-125.
Citation:
Liu Weiyi. The Determining Method about the Conflict between the Null Constraints and the Set of Functional Dependencies[J]. Journal of Computer Science and Technology, 1989, 4(2): 116-125.
Liu Weiyi. The Determining Method about the Conflict between the Null Constraints and the Set of Functional Dependencies[J]. Journal of Computer Science and Technology, 1989, 4(2): 116-125.
Citation:
Liu Weiyi. The Determining Method about the Conflict between the Null Constraints and the Set of Functional Dependencies[J]. Journal of Computer Science and Technology, 1989, 4(2): 116-125.
The Determining Method about the Conflict between the Null Constraints and the Set of Functional Dependencies
In this paper the conflict between the null constraints and the set of functional dependencies is defined. Some rules for determining the conflicts and a method for processing the conflicts are obtained.
DownLoad: