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What is Cardinality Ratio? Cardinality Ratios - The cardinality ratios for relationship kinds specifies the maximum number of relationship instances in which an entity can pa
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Regional Gardens has many nurseries, including Wagga Wagga, Bathurst, Albury, Orange, and Dubbo. Each nursery is known by its campus code, eg WW, B, A, O and D respectively. Additi
Write short notes on relational model The relational model uses a collection of tables to show both data and the relationships between those data. The relational mo
The following relational database schema represents part of a simplified database used by a library: tblBook (BookID, Title, PublisherID, Category,Price) tblPublisher (Publishe
Define what Immediate database modification technique uses? Ans: Both undo and redo.
#questiontypes of keys examples..
what is query processing?
Consider the following relational database: STUDENT (name, student#, class, major) COURSE (course name, course#, credit hours, department) SECTION (section identifier, course#, sem
What is an entity relationship model? The entity relationship model is a collection of basic objects known as entities and relationship between those objects. An
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