Questions tagged as 'relaciones'

Someone who can help me with the following error: It turns out that I created an API in ASP.net with the help of visual studio 2017 and entity framework, I did everything with the help of the tools since I have several related tables in SQL s...

I am trying to carry out a poo project, but as I go from one to the other, I find it very difficult, I would like someone to help me with an explanation, I leave an image of the project thanks.     

I am trying to make a relationship and a query but apparently something is wrong because it is not what I am looking for. I'm still starting with laravel and I still have doubts. My summary tables are the following: And the data that...

Good afternoon I need to make a query in laravel but the results are not what I hope, hopefully someone can help me. These are my tables: And these are the results I want to obtain: that the BRAND be printed only once and then the list...

I'm new here. I have two tables that are not related to each other, but both need a third one. Let me explain with an example ... TablaUsuarios (idUsuario, nombre, apellido) TablaEmpresas (idempresa, nombre_e, rif) For both tables I need to...