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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 purpose of the system and why a computerised application would benefit the area you have chosen.
Produce a Feasibility Study that describes how realistic it is going to be to create a program that meets all the identified requirements.
Create a project management document in the form of a Gantt Chart. The Gantt Chart should identify how long you intend to spend on each task, and when you plan to submit each stage for marking.
Create a Data Flow Diagram showing the processes of your system.
The State of Newyork certifies firefighters throughout state keep track all of them, as well as the state’s of fire departments. Each fire department has unique department number
Explain what is DDL? DDL - Data Definition Language: statements used to define the database structure or schema. Some examples: CREATE - to create objects in the database ALT
What is De-normalization? De-normalization is the method of attempting to optimize the performance of a database by adding redundant data. It is sometimes essential because cur
Need for Client Server Computing- Client/Server (C/S) architecture includes running the application on multiple machines in which every machine with its component software tackles
what is Mapping Constraints? with examples
For each m:n relationship type R, we make a new table (say S) to represent R. We also contain the primary key attributes of both the participating entity types as a foreign key att
Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4
What is multiplicity in the associations? Give an example to explain multiplicity? Multiplicity in association indicate number of objects participate in any relationship. For
What is a value? A data value is used for identity. This form of identity is used in relational systems.eg: The primary key value of a tuple recognize the tuple.
How nulls are treated in comparison operator? Along with comparison (relational) operators, the null values are ignored as we cannot derive the relation along with the given op
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