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The application can make employees in a minimart organize, process, and monitor the movement of inventory item more easily.Īstuti, Y., & Nugroho, A. The application of control inventory-based mobile minimart was to make users inventory, with a menu that was available in the form of product items, a promotion that had a limited promotion item reservations. It was to facilitate employee minimart in organizing, processing, monitoring the movement of inventory items that occurred in the minimart. The control of application inventory items at the minimart was intended for mobile-based users who controlled the supply of goods on the markets. In an application of using the mobile-based inventory minimart, J2EE system development used Waterfall method with the stages of analysis, design, coding, and implementation. The goal of the research was to design a mobile application of inventory system in a minimart. However, if the firm has several warehouses, the warehouse could be an entity if the firm wants to store data about each warehouse instance.Inventory control, mobile application Abstract ERD symbols can show when one instance of an entity must exist for an instance of another to exist A doctor must exist before appointments the doctor can be madeĮntity Entity A person, place, event, or thing about which data is collected Must be multiple occurrences to be an entity Example: If a firm has only one warehouse, the warehouse is not an entity. Using Using the the ERD ERD to to Show Show Business Business Rules Rules Business rules are constraints that are followed when the system is in operation. Entities generally represent similar kinds of information Lines drawn between entities show relationships among the data High level business rules are also shown What What Is Is an an ERD? ERD? A picture showing the information created, stored, and used by a business system. Data models should balance with process models Normalization is the process analysts use to validate data models. Key Key Definition Definition Physical data model shows how the data will actually be stored in databases or files. Logical data model shows the organization of data without indicating how it is stored, created, or manipulated Key Key Definitions Definitions Data model A formal way of representing the data that are used and created by a business system Shows the people, places and things about which data is captured and the relationships among them. PowerPoint Course Material for SCELE Graduate Program Information Technology Faculty of Computer Science – University of Indonesia
#Sistem informasi penjualan dan persediaan barang how to#
Understand how to balance between entity relationship diagrams. Become familiar with the process of normalization. Become familiar with the data dictionary and metadata. Be able to create an entity relationship diagram. Objectives Objectives Understand the rules and style guidelines for creating entity relationship diagrams. PowerPoint Course Material for SCELE Graduate Program Information Technology Faculty of Computer Science – UNIVERSITY OF INDONESIA
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PERANCANGAN SISTEM INFORMASI Session Session 55 Data Data Modeling Modeling nd Based Based on on System System Analysis Analysis & Design Design 22nd Edition Edition Authors Authors :: Alan Alan Dennis Dennis & Barbara Barbara Haley Haley Wixom Wixom Publisher Publisher :: John John Wiley Wiley & Sons Sons