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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 is cascading rollback
A database is a set of data. But, is the data kept in a database trustworthy? To answer that query we must first answer the question. What is integrity? Integrity simply means t
real life situations where database management system are most suitable
Strict 2PL :Though, this basic 2PL suffers from the trouble that it can result into loss of isolation / atomic property of transaction as theoretically speaking once a lock is rele
Which operations need the participating relations to be union compatible? A UNION, INTERSECTION and DIFFERENCE operations need the participating relations to be union compatibl
What are the authentication modes in SQL Server? How can it be changed? Windows mode and Mixed Mode - SQL and Windows. To alter authentication mode in SQL Server click Start, P
Explain what is Aggregation ? Aggregation: This is used whenever we intend to show a relationship between an entity and the relationship. There is no provision for this in th
State The position of object at any moment is called state. An object can have many states depend upon time. After receiving some input instructions, the object can change its
Describe the nested-loop join and block-nested loop join. Ans: The block nested- loop join algorithm is as described below: for every block B r of relation R do beg
What are the objectives of query processing? Ans: The objectives of query processing is to transform a query written in a high level language into a accurate and efficien
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