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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 approaches to implement dynamic model. These approaches are as given:
i) Storing the state of the program as location within a program, i.e. as a procedure driven system
ii) Direct implementation of the state machine mechanism i.e. event driver
iii) With the help of concurrent tasks.
Explain the ANSI SPARC architecture The three-schema architecture is as well known as ANSI SPARC architecture. The aim of the three-schema architecture is to separate the user
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A table joined with itself is called ? A table joined with itself is known as self join table. Normal 0 false false false EN-IN X-NONE X-NONE
What is multiple relationship ?
Explain mechanism of nested queries? SQL gives a mechanism for nesting subqueries. A subquery is a select from where expression that is nested within one more query. A common u
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Describe the Association: Design Before we describe association design let us define association "Association is set of links between two objects in the object model". It is
This language that enable user manipulate to or access data as organized by appropriate data model. Low level or Procedural DML : DML needs a user to specify what data ar
Draw an EER diagram that captures the "is-a" hierarchy of students in another simple database. The database captures both the "basic" information (say, student ID and student name)
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