Was (wer) ist System R - definition
WIKIMEDIA DISAMBIGUATION PAGE
System R (disambiguation)
System R
<database> A database system built as a research project at
IBM San Jose Research (now IBM Almaden Research Center) in
the 1970s. System R introduced the SQL language and also
demonstrated that a relational system database could provide
good transaction processing performance.
http://mcjones.org/System_R/.
(1998-09-29)
IBM System R
RELATIONAL DATABASE MANAGAMENT SYSTEM, FIRST IMPLEMENTATION OF SQL
System Relational; System/R; System-R
IBM System R is a database system built as a research project at IBM's San Jose Research Laboratory beginning in 1974.
Ŕ
LETTER OF THE SLOVAK AND LOWER SORBIAN ALPHABETS
R with acute; R acute
Ŕ (minuscule: ŕ) is a letter of the Lower Sorbian and Slovak alphabets, Ukrainian Latin alphabet and Proto-Turkic orthography. It is formed from R with the addition of an acute.
Wikipedia
System R
