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atient(PNumber, Name, NHS_no, Amount_due, DNO, Doctor, Medical_Treatment), relation of schema Staff(StaffNum, Name, DNO, Task) and relation of schema Dept(DNO, Name, Location, Dire
what is natural join?
Need 2 projects completed in 3NF format.
A super key is an attribute or set of attributes used to recognize the records uniquely in a relation. For instance, in the Relation PERSON defines earlier PERSON_ID is a super
explain ER Modeling?
Define the terms i) Key attribute ii) Value set Key attribute: An entity type usually has an attribute whose values are exact from each individual entity in the collection. Su
What is B-Tree? A B-tree eliminates the redundant storage of search-key values .It permits search key values to appear only once.
, write the relational schema, and draw the new dependency diagrams. Identify the normal forms for each table structure you created
Define access time. Access time is the time from when a read or write request is issued to when data transfer starts.
what is correlation in nested query
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