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The following data are required to be stored by a family physician.
Family#, FamilyAddress, Patient#, PatientName, ServiceCode, ServiceFee, ServiceDate
A family can have several patients. A patient belongs to a single family. Each service has a code and a fee. A patient can get only one service on a given date. Show the database design in third normal form for the above data.
what is cascading? what is rollback cascading? please explain in detail
Define Fifth Normal form is concerned with Ans : Fifth Normal form is concerned with Join dependency.
Describe briefly models which define the operations on classes. The three models which are used to define operations on classes are as: Object Model = data dictionary + Obje
Implementing software control To implement software control designer must redesign strategy of state event model which is present in dynamic model. There are three basic ap
Describe Parameteric end users? Parametric end users might be given update access, but are commonly not permitted to change the structure of data.
Explain the Weak Entity Set An Entity set which does not have sufficient attribute to make a primay key is known as weak entity set. For instance, dependents of an employee in
A video rental company has several branches. The data held on each branch is the branch address made up of street, city, state, and zip code, and the telephone number. Ea
Multilevel Indexing Scheme Consider the indexing scheme where the address of the block is consider in the index for each record, for a little file, this index would be little a
What is a function group? A function group is a collection of logically related modules that share global data with every other. All the modules in the group are contained in
what is correlation in nested query
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