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The Assessment page has a link to download a conceptual model, and a list of data.
You are to map this conceptual model, and create the database in Oracle using your own DDL. Then load your database with the list of data on the assessment page.
Then you are required to write SQL statements to perform the objectives listed below:
You will need to hand in ONE script which:
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
what is lossless & dependency preserving decomposition ?
#question benefits and limitations of data models..
Define lock? Lock is the most common used to execute the requirement is to permit a transaction to access a data item only if it is currently holding a lock on that item.
State the Steps of Object Design Object design is a very iterative process in which various classes, relationships among objects are added when you move from one level to
State the Component Diagram A component diagram represents a set of component and relationships among them. In a dynamic model, component diagram is used to model physical com
Query Processor The query language processor is responsible for taking query language statements or shifting them from the English-like syntax of the query language to a form
What is a SELECT operation? The select operation selects tuples that please a given predicate. We use the lowercase letter σ to denote selection.
If the deletion violates referential integrity constraint, then three alternatives are available: Default option: - refuse the deletion. It is the job of the DBMS to describ
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