SOFTWARE REQUIREMENTS SPECIFICATION (SRS) FOR Student and Unit Management System (SUMS) – Registration Module Version 1.0 Prepared by: YEUNG Kam Fung (Ivan) Prepared for: Jim Briggs‚ University of Portsmouth DOCUMENT CHANGE HISTORY |Version Number |Date |Description | |1.1 |8th December 2005 |Jim made some formatting and content |
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....................................................................3 1.2 Scope of the database ....................................................................................................................................3 2 Entity-Relationship Diagram ..............................................................................................................................4 3 Relational Database Schema ................................................................................
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2 ‐ Assignment 1. List at least four advantages of indexing. Mention some indexing tips that would be of particular help to a database designer. Also‚ discuss indexing practices that can adversely affect the performance of a database. In your discussion‚ include information on how a designer should decide on how many indexes to provide per table. Indexes are used to boost performance in a database. Finding an individual record or set of records most efficiently done by Index. Index key is the reference point
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ISM 6215 - Business Database Systems I Fall 2013 Home Work – 1 (Marks 100) Question 1 - Contrast the following terms. Give one example of each 1. Degree versus cardinality of relationship 2. Required versus optional attributes 3. Data dependence versus data independence 4. Structured versus unstructured data (4*2.5 =10 marks) Answer 1 - Degree; cardinality. The degree (of a relationship) is the number of entity types that participate in that relationship‚ while cardinality is a
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When should patient be advised of the existence of computerized databases containing medical information about the patient? On AMA the patient and physician should be advised about the existence of computerized data both before and information is store http://patient.ezinemark.com/data-collection-in-a-computer-7d2eae229a7f.html website below Data collection in a computer Computerized database collection is commonly known as collection of large amount of data in a computer. The information
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Description | example uses | Database could be when people in the the Leisure centre inputs the data or make different query’s like how much money they’ve made. This will speed up the process when working. It can store all the information for the activities and how many people attending specific classes. | advantages | A database can be really helpful for this business to grow in terms of: Customer & Service Analysis‚ Data Management‚ Reduce Costs & Time. Databases can also help businesses
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date and time stamped‚ as well as signed by the individual working on the patient’s electronic medical record. 2. When should the patient be advised of the existence of computerized databases containing medical information about the patient? A patient should be advised of the existence of computerized database containing medical information about the patient ‚ before the patient’s physician releases said information to the entity keeping the computer bases. All medical information must be shared
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Database Environment Brandon Smith DBM/380 10-8-2012 Kenneth Hoskins Database Environment “A database is a structured collection of records or data that is stored in a computer system. In order for a database to be truly functional‚ it must not only store large amounts of record‚ but also be able to access those records fast and efficiently. In addition‚ new information and changes should also be easy to input.” (tech-faq.com) To be useful over a long term the database should be able
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tables‚ forms‚ and other objects that will make up your database‚ it is important to take time to design your database. A good database design is the keystone to creating a database that foes what you want it to do effectively‚ accurately‚ and efficiently. The first step in designing a Microsoft Access database is to determine the purpose of the database and how it’s to be used. You need to know what information you want from the database. Form that‚ you can determine what subjects you need
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2007 server‚ there are always two copies of each change to the database: the change written to the page (or series of pages) in RAM‚ and the log record of those changes in the transaction logs. If the information is lost in RAM‚ if it has been written to a transaction log‚ it can be recovered and written to the database. This graph shows the types of backups and its effects on the files/transaction logs. Type Copies
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