Relational Calculus(ID:7031/rel009)
Country: us
languages for us
us/1969
Began: 1969
Languages for 1969
1960s languages
Third generation
High Cold War
Type:RDBMs
RDBMs
Codd's formalism of the set-relatedness of data
People:
Ted Codd
Related languages
Relational Calculus
=>
ALPHA
Based on
Relational Calculus
=>
RENDEZVOUS
Based on