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What are the benefits of decomposing a system?
The benefits of decomposing a system into subsystems are that after decomposition, each individual component become smaller and easy to direct. Changes in this subsystem can be effected without widely making changes in other subsystem. Decomposition also allows software engineer to specialize in a particular domain of system.
what is attribute is attribute inheritance in dbms?
Consistency error : These errors happen due to the inconsistent state of database caused may be due to wrong implementation of commands or in case of a transaction abort. To overc
One-way Associations When an association is traversed only in the one direction, then it is implemented as a pointer i.e.an attribute which contains an object reference. If mu
What are the technique to define a schema completely ? A schema is completely define by DDL and DML query language.
You are required to implement integrity constraints within the database to enforce the following requirements: For Projects: Start date must be supplied. Start date cannot be i
The Internal or Physical Level The collection of files permanently stored on secondary storage devices is called as the physical database. The internal or physical level is t
Explain the ISA relationship Answer: ISA relationship - ISA notation is employed in generalization/ specialization to depict relationship among lower and higer level entity s
For your chosen project, you need to identify the current problem that you wish your project to solve. Produce a Problem Statement. The Problem Statement should explain the purpo
Critically explained the benefits and limitations of different database technologies with proper examples
What are data models? Explain it detail? Entity relationship model Rectangles Ellipse Diamonds Lines Relational model Relational model use a collection
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