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Question:
a) What is Client/Server and what benefits can be expected from Client/Server systems?
b) Explain what middleware is and what it does. Why would MIS managers be particularly interested in such software?
c) What is a 3-Tier architecture, and what are the benefits of setting up one. Support your answer with appropriate diagram.
d) Discuss the different levels of security that should be established in a client/server database system.
Why is database redesign necessary? Database redesign is essential for two reasons. First, redesign is essential both to fix mistakes made during the initial database design. S
employee(empid,empname,dept,telno,mobno, add,sssno,tinno,WEdates,WEcomp,WEadd,WEpos,WEres) this is a employee record which is need to be normalize.the WE means work experience
State the data flow diagram of functional model Any action initiated by transition in the state diagram can be extended into an entire data flow diagram in functional model. Th
Describe queries with complex types? The present extension of the SQL query language deal with the complex type Let us start with the simple example: Find the title and t
Saving Derived Attributes to Avoid Re-computation Data that is derived from other data should be stored in the computed form to avoid re-computation. For this, we could define
In a relational model how relations are termed? In a relational model, relations are termed as tables. (The term ‘relation’ is the technical name of the ‘table’ in RDBMS)
Modular growth: In distributed environments, it is simple to expand. Latest sites can be added to the network without affecting the operations of other sites, as they are somewhat
Q. Why would you choose a database system instead of simply storing data in operating system file? Define at a base concept in details. Sol. Advantages of Database over Fil
Introductory course and so does not require any fancy coding. I will provide a guidance document to help you in producing the solutions.
sql is relationally complete-justify
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