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Need 2 projects completed in 3NF format.
#questiRegional 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.
Explain the use of constraints in functional model with suitable example. A constraint shows relationship between two objects at same time, or among various values of the sam
what is cascading? what is rollback cascading? please explain in detail
give some example real life situation where DBMS are most suitable
what is the importance of back up files
What is the full form of DDL? DDL is stand for Data Definition Language.
a) Distinguish between ‘database' and ‘Database Management Systems (DBMS)'. b) List and briefly describe five potential benefits of the database approach compared to conventio
What is meant by heuristic optimisation?Discuss the major heuristics that are applied during query optimisation.
How does a query tree represent a relational algebra expression? Discuss any three rules for query optimisation, giving example as to when should each rule be applied. Ans
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