Questions tagged as 'modelagem'

Tagged questions
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System of Log in Data Management System

I am developing a data management system in PHP Laravel 5 . On this system I want to put a Logs System. 1 - Does Laravel have any library that facilitates this system? 2 - If Laravel does not have the best way to do such a system?...
asked by 17.11.2015 / 17:17
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Transform factor into numerical R

Good evening! I'm doing a job where I import a base and after importing I create a range of values. Ex. I import the base with read.csv dados <- read.csv(base, header=TRUE, sep=',') But in this column of values ($$), which I...
asked by 05.06.2018 / 04:45
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Use of Generalization / Specialization in data modeling

I've read some articles about Generalization / Expertise in data modeling, but some doubts have emerged: Is the primary key of generalization also the primary key of specializations - that is, can specializations contain their own primary keys...
asked by 27.10.2018 / 17:48
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Structure of tables in user question and answer template

I have a question in the structure of some tables and I hope you can clarify in detail below. Scenario The system will generate a way to create dynamic forms and questions in order to be answered by users already registered. Respons...
asked by 19.02.2018 / 01:03
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How to obey the Open / Closed principle in this situation?

I have a situation where the solution I identified clearly violates the Open / Closed principle and I would like to find a better solution that does not violate this principle. Obviously my concern is not simply to "obey the principle" but rathe...
asked by 31.03.2017 / 18:19
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Differentiate ingredient product

I am trying to make a system for selling acai berry. In an açaí can add many ingredients like paçoca, milk powder, fruits and etc ... Açaí can also be sold in pots of 250ml, 500ml and 750ml. Depending on which pot is sold, an N amount will be re...
asked by 27.10.2014 / 18:10
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How to import a .er1 file extension into CA Data Modeling

I need to import an .er1 file from an older version of Erwin into CA Data Modeling (Community Edition). Is this possible? I tried to open it directly and the "Import" options to no avail. Thanks for any help?     
asked by 01.12.2014 / 14:36
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I wanted to do a query that would return the following data in mongodb

COLECTION GAMES { id : 10, casa : "Sport", visitante : "Chapecoense", horario : "2017-07-20 11:00:00" } COLLECTION BETTER { nome : "wedson", apostas : [ { idjogo : 10, opcao : 1, valores : 1 } ] } I w...
asked by 16.07.2017 / 11:26
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Sequence Diagram with MVC facing the web!

Good afternoon guys, I'm having second thoughts about some sequence diagrams I'm developing for a college job. In theory I already know what a sequence diagram is, what it does and what its purpose, but the problem comes at the time of modeli...
asked by 30.06.2017 / 01:45
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Doubt visibility of attributes in the class diagram

We recently had an in-class discussion on the issue of attribute visibility in the class diagram. Some have stated that in the diagram (as well as in the code) all attributes must be private. However, the teacher made the following observation:...
asked by 13.04.2017 / 02:44