Nulls in relational databases: revised

Authors:
Raju Kocharekar
Affiliations:
International Bank for Reconstruction and Development, 1818, H st, Washington, DC
Venue:
ACM SIGMOD Record
Year:
1989

Citing 3
Cited 0

Missing information (applicable and inapplicable) in relational databases

ACM SIGMOD Record
More commentary on missing information in relational databases (applicable and inapplicable information)

ACM SIGMOD Record
On semantic issues connected with incomplete information databases

ACM Transactions on Database Systems (TODS)

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Abstract

This paper discusses the semantic issues related to null values problem in relational databases. We argue that the proposed set of maybe operations with the three valued logic is still not adequate and needs further enhancements.