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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.
What are wait-for-graphs?Give the algorithm to construct a wait-for-graph from a given schedule of transactions? How can deadlocks be detected from wait-for-graphs? Ans: The
Define the concept of generalization A generalization is relationship between specific kind of thing and general thing. It is also known as "is-a-kind-of" relationship. Inher
prototype of a distributed information system for a national car part retail outlet chain.
let us consider a table having 2200 records and the fixed size of the table to be considered as 25.then how many numbers of table is requredto perform horizontal fragmentation
Explain degree of relation? Degree of a Relation - The degree or arity of a relation is the number of attributes n of its relation schema.
What sorts of tables one can se in designing the hierarchy of a LDB? Tables, which are having Foreign Key relations.
Record based Logical Models: Use records as the key data representation components Examples: Relational Model: It shows data as well as relationship between data in the form
What is the use of integrity constraints? Integrity constraints make sure that changes made to the database by authorized users do not result in a loss of data consistency. The
The File Based System File based systems are an early attempt to computerise the manual filing system. For example, a manual file can be set up to hold all the correspondence r
Explain data dictonary on oracle ? Data Dictionary - Data dictionaries are the system tables in which contain descriptions of the database objects and how they are structured.
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