How is the data structure of System R different from the relational structure?
Submitted by: AdministratorUnlike Relational systems in System R
► Domains are not supported
► Enforcement of candidate key uniqueness is optional
► Enforcement of entity integrity is optional
► Referential integrity is not enforced
Submitted by: Administrator
► Domains are not supported
► Enforcement of candidate key uniqueness is optional
► Enforcement of entity integrity is optional
► Referential integrity is not enforced
Submitted by: Administrator
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