Синтаксис SQL (Ukrainian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Синтаксис SQL" in Ukrainian language version.

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books.google.com (Global: 3^rd place; Ukrainian: 11^th place)

SAS 9.4 SQL Procedure User's Guide. SAS Institute. с. 248. ISBN 9781612905686. Процитовано 21 жовтня 2015. Although the UNIQUE argument is identical to DISTINCT, it is not an ANSI standard.
Leon, Alexis; Leon, Mathews (1999). Eliminating duplicates - SELECT using DISTINCT. SQL: A Complete Reference. New Delhi: Tata McGraw-Hill Education. с. 143. ISBN 9780074637081. Процитовано 21 жовтня 2015. [...] the keyword DISTINCT [...] eliminates the duplicates from the result set.

Transact-SQL Reference. SQL Server Language Reference. SQL Server 2005 Books Online. Microsoft. 15 вересня 2007. Процитовано 17 червня 2007.