Null (SQL) (Korean Wikipedia)

Analysis of information sources in references of the Wikipedia article "Null (SQL)" in Korean language version.

Last modified: 04:13:32, 30 June 2026 (UTC)

Ref.Un. Ref.Website

Global rank Korean rank

3^rd place

7^th place

4,700^th place

3,324^th place

1,190^th place

355^th place

books.google.com (Global: 3^rd place; Korean: 7^th place)

Ron van der Meyden, "Logical approaches to incomplete information: a survey" in Chomicki, Jan; Saake, Gunter (Eds.) Logics for Databases and Information Systems, Kluwer Academic Publishers ISBN 978-0-7923-8129-7, p. 344; PS preprint (note: page numbering differs in preprint from the published version)

ISO/IEC (2003). 《ISO/IEC 9075-1:2003, "SQL/Framework"》. ISO/IEC. Section 4.4.2: The null value.

Ron van der Meyden, "Logical approaches to incomplete information: a survey" in Chomicki, Jan; Saake, Gunter (Eds.) Logics for Databases and Information Systems, Kluwer Academic Publishers ISBN 978-0-7923-8129-7, p. 344; PS preprint (note: page numbering differs in preprint from the published version)