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1. Use the Invoice table structure shown below to answer the following questions: a) Draw the dependency diagram and identify the primary key and all dependencies, including al
Differentiate between the object oriented decomposition and the structured decomposition? Process-oriented (structural) decomposition divides a complex process, function or tas
The External or View Level The external or view level is the highest level of abstraction of database. It gives a window on the conceptual view, which permits the user to see
what benefit can a company gain by managing its own infrasture and services
What is vertical fragmentation? Vertical fragmentation divides the relation by decomposing the scheme R of relation r.
Mention the various user privileges All privileges directly granted to the user or role. All privileges granted to roles that have been granted to the user or role.
Determine the steps of path in association network You can analyse use of paths in association network in the following steps: Examine every operation and see what asso
How many types of Views are there? There are Four types of views:- Database View Help View Projection View Maintenance View
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What is serialization? Where it is used and why? Serialization is a basic term used for mechanisms which enable objects and object structures to be converted into portable for
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