Most voted "modeling" questions
Modeling means creating a model that explains the working and behavior characteristics of a software from which it will be created, facilitating its understanding and its design, through the main features that will avoid programming errors, design and operation.
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viewsProblems with Table Modeling with Two Foreign Keys
I need to finish a modeling of a database and I’m at an impasse. Simply put, I have 3 tables as follows: PROMISSORY NOTES CREATE TABLE IF NOT EXISTS `picinin`.`promissorias` ( `id_promissoria` INT…
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viewsProblem connecting tables using a foreign key
Good afternoon, I have a little problem making the link between the tables, I need to connect the athlete table and make the link with the document sending organ table. The following error appears…
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answer50
viewsHow to put an ID in a variable? ASP.NET MVC
I currently have a view where a Table(Orders) is being loaded another table(Colors) I want each order to be a list of the color that has the same ID as the order. My Tables: public partial class…
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viewsHow to create this type of relationship using Django Models
After seeing a modeling that I should implement in Django, I was a little confused and I will explain what I tried to do and what was sent to me. The following image is the relationship I should…
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viewsProblems adjusting a mixed effects model using the gamlss package
I’m trying to adjust a mixed effects model considering the package gamlss. The data is here: https://drive.google.com/file/d/1q4XuSPnZXx7TsrT3JVoucFyxeOSegWFz/view?usp=sharing The model I’m…
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viewsWould this class relationship be correct?
I am currently studying about classes, more specifically class/UML relationship and I am doing it in C#. I would like to know if this code I wrote below is the most suitable or if there is a…
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answer185
viewsNormal Forms Data Modeling
I have a file excell with PRODUCT AND ORDER information. It is out of the normal forms as the information is all in one table. I’m climbing up through bulk insert this information for a database in…
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answers239
viewsMultiple assignment in Mysql
How to assign multiple values to a table attribute in Mysql? For example a table where a customer can have multiple phones, and in the assignment can be passed the various customer phones at once.…
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viewsDo all entities of the conceptual model need to be related?
I was developing a conceptual model for a database according to the requirements of the activity, but I came to doubt the title because my model ended up being according to the image:…
modelingasked 5 years, 6 months ago Lone Tonberry 525 -
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answer75
viewsHow many tables will you need in Mysql?
I’m starting a project that aims to manage students' grades and subjects. The information I’ll need to store is: Total subjects (All subjects the student will need to study) Current materials (These…
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answer144
viewsHow to use objects in Django
I have to create models based on the following UML: I actually made the code of Experience that way: class Experiencia(Base): ACADEMICA = 'AC' PROFISSIONAL = 'PR' TIPO_CHOICES = [ (ACADEMICA,…
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viewsModel does not recognize the Datetime format
Hello, I am creating a program to learn a little more about . NET C#, this project is a simple CRUD project. But I have a problem in my model, when I run the program to create a new record it is…
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viewsDoubt with relation of tables - Modeling
Next guys, to with 3 tables here, I’m in doubt how to relate them. I am studying relationship tables here... This project is a stock system, and has no intention, except to practice and study! My…
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answer627
viewsWhich attribute to use for database fields working with numbers from 0 to 5?
Needed to mount a table in Mysql, where the values recorded in this table will be between 0 and 5, what attribute types within the table field should be assumed? What kind of data do we report in…
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answer168
viewsBank Modeling
I am trying to model a bench for a simple Pool for the World Cup games. It would be that way even? The idea is that the person can register and make guesses for each match informing a winner or…
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viewsWhat term use 'date' or 'create_at'?
Contextualizing: I have the following table and store the creation date in the attribute date. +------------+ | Operation | +------------+ | id | | amount | | type | | date | | product_id |…
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answer111
viewsCreate mysql table
I need to create, in the database, the table below, and insert the values shown. My question is **what would be the primary key in this table ? **ID_NF ? In exercise asks to only create this table,…
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viewsQuestions about database modeling, ID duality
I am creating a system aimed at law firm, and in the middle of the development emerged the following situation: There are the following tables (summarized): TB_PROCESSO possessing: IDPROCESSO…
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viewsHow to inactivate an element in C?
As from the following structs, would like to know how to inactivate a property. A real estate company has a set of 100 properties for rent. On each property the application must allow storing: the…
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answer173
viewsIn a login system, will all tables be connected with the user table?
I am creating a system for barbershop and would like to make a login system for each user, where the user would register his trade, employees, etc. In my database I have the barber and customer…
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answer94
viewsFree tool for application wireframe
Which free tool have used and would indicate to make the wireframe of an application?