Ngữ nghĩa dữ liệu trong cơ sở dữ liệu quan hệ có giá trị null phụ thuộc ngữ cảnh
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DOI:
https://doi.org/10.15625/1813-9663/15/3/7771Abstract
In this paper, we consider sematics of data in relational databases with context dependent null values by giving a formal definition of model for a relation which contains context dependent nulls. Some illustrative examples of data semantics are also given.
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Published
19-02-2016
How to Cite
[1]
B. T. T. Hiền, “Ngữ nghĩa dữ liệu trong cơ sở dữ liệu quan hệ có giá trị null phụ thuộc ngữ cảnh”, JCC, vol. 15, no. 3, pp. 31–39, Feb. 2016.
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Computer Science
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