Evaluation of different designs to represent missing information in SQL databases
Eessaar, Erki
;
Saal, Elari
Innovations and advances in computer, information, systems sciences, and engineering
2013
/
p. 173-187
https://doi.org/10.1007/978-1-4614-3535-8_14
https://www.scopus.com/sourceid/19700186822
https://www.scopus.com/sourceid/19700186822