tag:blogger.com,1999:blog-42058069633856535932012-02-16T07:33:32.799-08:00Bennyhttp://www.blogger.com/profile/05375996787083801001noreply@blogger.comBlogger71100tag:blogger.com,1999:blog-4205806963385653593.post-45777817120540660472009-05-02T19:51:00.000-07:002009-05-02T21:51:00.707-07:00

ER Diagram ERD in the above, there are 2 that confusion can lead to an error occurs, namely: 1. On the relationship between the entity and the project does not have a clear cardinality. 2. There is a ternary relationship have on the relationship.Based on the above confusion, the ERD can be improved: Here the relationship between project entity and eliminates the burden based on

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Database Design Process There are several processes that must be done to design a database, namely: Gathering user needs / businessDevelop the ER model based on user needs / businessConvert ER Model to set the relation (table)normalization of relations, for the anomalyto implement the database for each table to create relationships that have been in the normalizationDatabase Normalization

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DATABASE DEFINITIONS The database is a set of data stored in the magnetic disk, optical disk or other secondary storage. Besides, the data base can also be defined as the collection of data, which can be described as the activities of one or more organizations that be relations. The database can be a collection of integrated data-related data of an enterprise (company, government or private). For

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DATA FLOW DIAGRAM Data flow diagram also called Data Flow Diagram (DFD). DFD is to describe the system modules in a smaller and less easy for the user to understand to understand the field of computer systems that will be done. DFD also serves to describe the existing system or the new system will be developed logically without considering the physical environment where the data flows, or

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INVESTIGATION SYSTEM CONCEPT System investigation here is done when there is or there is a gap in the difference (gap) between the purpose of the system and actual system conditions. For example, the system is to satisfy customers in terms of services company, but the system has a condition which can not satisfy customers, as early goals of the system is made, so that here the system is needed

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The Importance Of System DevelopmentSystem development can mean to composed a system bew to replace system old ones as a whole or repair system that there. A system necessary developed and repaired, matters that causes system necessary developed, that is:1. That troubleshoots existence at old ones system. That troubleshoot can be in the form of:a. Problem. The problem in this system can be in the

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Based System ConceptThere are two groups approaches insides meaning of system, that is that emphasized in the procedure and emphasized in component or the element. Approach system more emphasized in procedure defines system as follows: “A system is a work network from procedures mutual connected, gather together to do a activity or to finish a certain target”. Approach system that be work

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