System R
E295384
System R was an experimental relational database management system developed at IBM in the 1970s that pioneered SQL and proved the practicality of the relational model.
All labels observed (1)
| Label | Occurrences |
|---|---|
| System R canonical | 1 |
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
experimental software system
ⓘ
relational database management system ⓘ |
| basedOn | relational model ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| describedIn | "System R: Relational Approach to Database Management" ⓘ |
| developer |
IBM
ⓘ
IBM San Jose Research Laboratory ⓘ |
| developmentPeriod | 1970s ⓘ |
| fieldOfUse |
data management research
ⓘ
database management ⓘ |
| fullName | System Relational ⓘ |
| genre | prototype DBMS ⓘ |
| implementedFeature |
SQL
ⓘ
surface form:
SQL query language
cost-based query optimizer ⓘ embedded SQL ⓘ locking for concurrency control ⓘ system catalog ⓘ transactions ⓘ views ⓘ |
| inception | 1974 ⓘ |
| influenced |
IBM DB2
ⓘ
IBM SQL/DS ⓘ SQL Server ⓘ
surface form:
Microsoft SQL Server
Oracle Database ⓘ PostgreSQL ⓘ Sybase ⓘ
surface form:
Sybase SQL Server
relational database theory and practice ⓘ |
| inspiredBy |
Edgar F. Codd
ⓘ
surface form:
Edgar F. Codd's relational model
|
| keyPerson |
Donald D. Chamberlin
ⓘ
Frank King ⓘ Jim Gray ⓘ Morton Astrahan ⓘ Patricia Selinger ⓘ Raymond F. Boyce NERFINISHED ⓘ |
| locationOfDevelopment |
San Jose
ⓘ
surface form:
San Jose, California
|
| mainSubject |
relational database
ⓘ
SQL ⓘ
surface form:
structured query language
|
| notableFor |
influencing commercial relational database systems
ⓘ
pioneering SQL ⓘ proving practicality of the relational model ⓘ |
| operatingSystem |
IBM System/370
ⓘ
MVS ⓘ VM/370 ⓘ |
| programmingLanguage | PL/I ⓘ |
| publicationVenue | ACM Transactions on Database Systems ⓘ |
| researchProjectOf |
IBM
ⓘ
surface form:
IBM Research
|
| status | discontinued ⓘ |
| subsystem |
RDS
ⓘ
RSS ⓘ |
| testDeployment |
Prisma project at Pratt & Whitney
ⓘ
various internal IBM applications ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.