39 questions
I'd like to create a membership-based learning support site with cakephp 2.7, but I don't know exactly what kind of table I should design.First of all, since it is a membership system, the username an...
We create applications that mimic EC sites.I would like to normalize the product table.Currently, the table configuration is as follows.1 id2. Product name3. List Price4. Number of stocks5 Date of arr...
We are designing web applications based on DDD, and we are wondering which layer to check DB outage (pause due to maintenance, etc.) and branch the process when stopped/non-disruptive.My understanding...
I'm worried about how to design the RDB column.How should I design it if there is a possibility of multiple elements in a single column?For example, you want to design a table containing watari, wani,...
The same system currently runs as multiple separate sites.How it works is the apache+tomcat+postgres web service.if you decide to consolidate these multiple sites into one siteIf you want to lump mult...
While reading the DDD book, the objects are divided into Value Object and Entity Object and understood as followsYes, ·Entity Object ·There is something that can be identified (such as ID). ·Other...
DB designs that do not impose NOT NULL constraints on flag items such as enable and delete flags are common.According to the specification, Please treat 0 and NULL in the same sense, but is there any ...
I am involved in the design and development of Android applications, but based on the assumption of developing Android applications, I have a question about the design.We would like to hear your opini...
Although not specifically specified in the language, if the try-catch encounters an error, you want to save the error as a log (WriteExceptionToLogFile section of the code below).try{ // Source from w...
Nice to meet you.I've studied DDD and clean architecture to some extent, and I've kind of figured out what role each object plays.However, when you try to design a real service with a DDD+ clean archi...
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