39 questions
How do I use RDB and key-value DB differently?Personally, I understand the difference between whether or not you can create an index later, but is this correct?
Until now, when creating table definitions, after modifying, adding, and deleting tables in the database, Windows automatically generated them using the A5 SQL feature (↓)DB client:A5 SQL automatic ta...
I've been designing DB tables so far, and I always get lost.It's about whether the name should be on the transaction table.Generally, it is good to code names and manage them centrally in a master tab...
For example, the program will make it in C language.What are the requirements classified as?Functionality RequirementsReliability RequirementsUsage RequirementsEfficiency RequirementsServiceability Re...
I'm creating a web application, but I'm worried about how to design the return value of the module.Consider creating a simple module called Update user_name in the users model moduleUserNameUpdate def...
I'm designing a system with DDD and clean architecture, but I'm having trouble handling ValueObjects that are persistent in the master table.ProductEntity {id, name, price, rank}Yes, rank is based on ...
When I was going to write the process of converting Markdown to Html, I prepared Markdown and Html classes as value objects.And the Html class writes about how Markdown is instantiated as an argument ...
I'd like to know the best design practice when you want RDB to filter a table under multiple conditions (including AND/OR).For example, table name:sample_tableSchema: - id integer - name varchar - co...
We are currently trying to create an application with DDD.It's my first time doing this, so I've been stumbling a lot, but I have a question about the subject.With DDD, it is understood that states ar...
Domain-driven entities recognize that there are cases where tables do not always match.With that in mind, would it be okay to hold data in multiple tables with one entity for example?Also, is there no...
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