Questions tagged as 'modelagem'

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How to model user system

I need to model the classes of a system where you have 2 types of User, the common user and the administrator, what is the best way to model this? Well I'll specify the attributes that each one needs in my application: Common User: name, logi...
asked by 15.11.2014 / 06:32
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Logical system for directories

I have a system of directories in the bank ex table directory: id parentDirID parent dir means q is a subdirectory. How would the "copy" directories function on the system? moving directories would just update the parentDirID, so I wo...
asked by 18.03.2015 / 15:52
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Interface to build relationships between tables

I am developing an application where basically the user will relate MySQL tables. For example: table A (Products) table B (Photos) table C (Price History). Basically the application would have to have the following: The user choos...
asked by 21.03.2014 / 13:55
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PHP - Trait or Extended Class

Good afternoon guys, I have a trait that formats data on a MVC system , the system works correctly, however I had a question regarding design pattern and performance, of the trait is correct or should you consider extending a Model class in...
asked by 04.12.2018 / 19:45
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Improving modeling in an ordering system [closed]

I developed a food ordering system, but I have doubts about whether the way I modeled the database is the best in terms of performance and longevity (how the system was to behave with a large amount of data). > I have the following table struc...
asked by 29.04.2018 / 00:33
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Requirements traceability matrix is the same as bi-directional traceability between test cases and requirements? [closed]

Contextualizing While studying for the CTFL certification - Certified Tester Foundation Level I came across the following study. Below are the Basic Activities in the Testing Process Plan and control Analyze and model Implement...
asked by 15.04.2018 / 17:38
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Is it wrong for each attribute in a table to be a foreign key in another table pointing to it?

I'm doing a stock system and in modeling, instead of each item having its attributes defined I wanted to make four tables tags (tag_decimal, tag_data, tag_text, tag_booleano) that pointed to the table item.  As I've never seen this in my clas...
asked by 09.04.2018 / 16:29
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Database modeling Doubt PF and PJ [duplicate]

I have a system that has a table called client, but this client can be either Individual or Corporate, in this case not to create a table for each of the type of client PF and PJ, because I have relationships with others How do I create a tabl...
asked by 08.11.2017 / 14:33
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Example and illustration about redundant relationships (MER)

Context Consider the sentence below:    It is stated:            Relationships that are a result of combining other relationships between the same entities are called: redundant relationships    Doubt Would it be possible to imag...
asked by 30.10.2017 / 22:36
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Save User Location

I'm trying to save the user's location in a database, to later generate user reports by country, state, and region. I initially downloaded databases that contained the names of all cities in the world, in multiple languages, but this left the...
asked by 02.09.2017 / 15:33