![]() | ![]() |
| 1981 | ||
|---|---|---|
| 2 | Billie S. Goldstein: Constraints on Null Values in Relational Databases VLDB 1981: 101-110 | |
| 1 | Billie S. Goldstein: Constraining Values in a Relational Database. XP2 Workshop on Relational Database Theory 1981 | |
Data released under the ODC-BY 1.0 license — See also our legal information page