Questions tagged as 'modelagem'

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Database for E-commerce site

Good day first, some doubts arose when I was developing the database of my online sales site (only for context of classes ...). This is the following, I have the products table, then I have the cart, invoice and orders, all I have to save the pr...
asked by 13.04.2016 / 15:44
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Modeling Database - Self-relationship

My Case I have a empresa table, this table has known fields like cnpj , razão social and login . This same company can register another one in its catalog of companies. The company registered by it will be only visib...
asked by 16.12.2015 / 13:30
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Database structure for polling system

I have a project to develop an online survey system. I'm worried about how I'll get the answers to the questions to show on a chart. Each chart is each question being analyzed. Let's see, if I have a question that has 4 different answers, and th...
asked by 20.10.2015 / 20:25
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Physical and Legal Person

I have a field that can receive the physical or legal person, how do you model it? through interface, composition or inheritance? I have the following class structure: Contacts (PF only) - belongs to a - > Company (PJ only) The contacts ha...
asked by 02.10.2015 / 02:06
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Application with Drag and Drop and other effects

I am getting ready to do my TCC and the result of it will be an application. In this application I'm going to model objects. To model this objects the application will provide some forms. These shapes must be dragged to an application area. It w...
asked by 16.02.2015 / 01:44
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Doubt on Entity Modeling

I have an entity called Requests that satisfies the following business: A request is made by an Employee (Entity), then it is changed by another Employee and then confirmed by a third Employee. In a request I am sending a Client (Entity)...
asked by 16.02.2015 / 00:15
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Generate Database Merge

I have a Database backup and for lack of documentation I need to generate the MER of it. I remember reading somewhere that there are programs that do this reverse engineering and generate MER. Could you help me with this?     
asked by 20.12.2017 / 13:10
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Normal Forms data modeling

I have a excell file with PRODUCT AND ORDER information. It is out of the normal way because the information is all in one table. I'm uploading% of this information to a database in SQLServer. The first table in the image shows how it...
asked by 16.01.2015 / 16:40
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What attribute do you use for database fields that work with numbers from 0 to 5?

I needed to set up a table in MySQL, where the values written in this table would be between 0 and 5, what attribute types within the table field should be assumed? What kind of data do we report in column tipo_DADO ? The issue of the c...
asked by 10.03.2015 / 08:09
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Bank Modeling

I'm trying to model a bank for a simple game for World Cup games. Was it that way? The idea is that the person can register and make guesses for each game by informing a winner or if they will have a draw.     
asked by 17.04.2018 / 19:50