All Questions
Tagged with databaseobject-oriented
47 questions
0votes
1answer
83views
Creating Controllers and Repositories without corresponding Models
I have to create a system to interview people on a few topics where they have to answer both objective and discursive questions, where questions may change between interviews. I structured the ...
- 111
0votes
1answer
204views
How are Object Oriented Databases represented?
I have read many articles online but each one of them fail to give even a basic example on how an Object Oriented Database is stored and represented. For example each of the articles say that they are ...
1vote
2answers
625views
Share data between users without a database, php [closed]
How would I create for example a live chat, where you "post" a piece of text and it is displayed to other users in a "chat room", without the need of permanently storing it. My ...
0votes
0answers
19views
Database Table and Object relationship [duplicate]
I am a Computer Science student and one of my first class was Object Oriented Design (Java). Unfortunately, we never interacted with a database during that class. I am currently working on a CRUD app ...
- 139
2votes
5answers
1kviews
Object and Tables
I am a Computer Science student and one of my first class was Object Oriented Design (Java). Unfortunately, we never interacted with a database during that class. I am currently working on a CRUD app ...
- 139
-4votes
1answer
583views
Efficient database for multiple key searching?
I'm trying to implement a solution that stores every product from a shop, and then allows me to search them either by ID (an integer index), description (string) or barcode (string). The idea I came ...
2votes
3answers
110views
How should I best structure my app when I want to sort a "parent" model by a property computed on another "child" model?
Question about OO-programming, functional programming, NoSQL, SQL databases, and software architecture Hi all, I am a intermediate-level self-taught programmer, and have been dying to get an answer ...
0votes
1answer
1kviews
Is it good practice to create a static class for database tables calculations?
I need to implement some system (using python pandas dataframe in my case) that parses raw data, then adds on calculated data, and then validates that calculated data (boolean output on some columns) ...
- 1,240
3votes
1answer
2kviews
Check if object exists before updating/deleting
In an application that doesn't use an ORM, is it good practice to check whether an object exists before attempting to update/delete it? For example: @Route(method="DELETE", path="/posts/\d+") ...
4votes
2answers
2kviews
Should methods be part of your persisted entities?
We are coding a small game and have a Player class. This Player class has certain properties which you would persist in a database like Id, Level, Health. We would like a Player to be able to kill ...
- 167
0votes
2answers
138views
design discussion, user experience first or correctness first in our case
We are discussing the system configuration module design in our Java medical device software. The system has a voice instruction function used to guide patient during the examination. Different ...
2votes
1answer
610views
Is it usual to "re hydrate" DTOs into full objects with relationships when consuming web services?
We are designing a web API to transfer objects obtained from a database to a client application which is a front end GUI. The server side business logic will be implemented (for better or worse) in ...
- 135
-2votes
5answers
237views
One Single Table or Two Smaller Tables
We currently have a Users table in the database, this has quite a few columns in it. Around 50% of the columns are barely used in the system (only on one or two pages). We've been discussing amongst ...
- 159
3votes
1answer
839views
Read Only Generic data access layer Best practice
I am trying to write some art of "generic" data access library to access the data of my company's ERP Software, which is our main/core application where all our related data is managed. I am a ...
- 275
2votes
2answers
127views
Object that can set its own subclass/amend its methods with subclass?
I have a database that stores client data. All data is in one table. For each client, there is one row per day. Clients have different kinds of contracts, their data format remains the same, however, ...
- 927
