Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Mapping Relational Schemas,”Typically entities are[…]
Read moreCategory: Database
Database operations
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Database operations Insert: add new[…]
Read moreMapping Binary 1:M Relationships,”To complete the mapping we must include the relationship by adding a foreign key:PROFESSOR(ProfID, Name, Dept)COURSE(CourseID, Topic, Title
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Mapping Binary 1:M Relationships,”To complete[…]
Read moreAnomalies,”For more complex relations, database operations may cause problems, inconsistencies
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Anomalies,”For more complex relations, database[…]
Read moreIdentifiers / key
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Identifiers / key an attribute[…]
Read morePartial Specialization Rule,”a supertype may have a subtypeIndicated with a single line (e.g.
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Partial Specialization Rule,”a supertype may[…]
Read moreCandidate identifier/keys
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Candidate identifier/keys an attribute or[…]
Read moreDisjointess contraint:
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Disjointess contraint: determines whether a[…]
Read morePrimary identifier vs. alternate identifier,”(e.g., ID vs. first, middle
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Primary identifier vs. alternate identifier,”(e.g.,[…]
Read moresubtype discriminators,”Hourly- HSalaried- SConsultant- CThe letters H, S
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.subtype discriminators,”Hourly- HSalaried- SConsultant- CThe[…]
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