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Construct a generalization-specialization hierarchy for a motor-vehicle sales company. The company sells motorcycles that comprise an engine number and cost; cars that have a chassis number, an engine number, seating capacity and cost; trucks that have chassis number, an engine number and cost.
Consider the ER schema below for the MoneyMaking supermarket chain problem. Translate the given ER schema into SQL CREATE TABLE statement.
Define reference file
Consider employee (e_no, e_name, e_salary, d_code), dept (d_code, d_name) and dependent (depndt_name, e_no, relation). Show the names of employees in purchase and accounts departm
A use case diagram giving a pictorial overview of user requirements and brief use case descriptions. As the case study contains only an outline of a business scenario, you will als
4. Describe three ways to handle missing field values
Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4
What are the two types of serializability? The two types of serializability is a) Conflict serializability b) View serializability
compare the features of oracle RDBMS with MySQL and Microsoft SQL server
What is called mirroring? The simplest approach to introducing redundancy is to duplicate each disk. This method is called mirroring or shadowing.
what is lossless & dependency preserving decomposition ?
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