Jan 22 · 3 min read · Recently I learnt about a software development approach known as Domain-Driven Design (DDD). If you're like me a few months ago — you've heard the term thrown around in senior dev discussions, seen it mentioned in microservices talks, or stumbled acr...
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Nov 1, 2025 · 1 min read · El modelado de datos es un conocimiento básico de un ingeniero de datos y para mí significa lograr una representación visual de un sistema de información. El objetivo es tratar de ilustrar los tipos de datos y, más importante, qué información se va a...
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Oct 29, 2025 · 3 min read · Let us code the repository implementation class class ArtRepositoryImpl(private val artDao: ArtDao):ArtRepositoryInterface { override fun getArt(): Flow<List<Art>> { //returns a stream (Flow) that emits a list of ArtEntity objects ...
Join discussionSep 29, 2025 · 5 min read · Highlights Focus on Canadian-listed companies from multiple sectors Detailed review of energy, mining, and technology businesses Sector-specific developments shaping Canadian equity performance Canada’s energy sector represents one of the most...
Join discussionJun 2, 2025 · 2 min read · ER-модель (Реляционная модель данных *, Отношение - реляционная модель, ORM) … См. Relation. Символы в базе данных могут использоваться для хранения произвольных информационных структур. В типичном использовании некоторые символы представляют узлы де...
Join discussionApr 25, 2025 · 4 min read · As an Android app developer, if you've ever created multiple folders, filled them with dozens of classes in Java or Kotlin — and then paused to wonder what it all means — congratulations! You’ve arrived at the right place in your journey toward Andro...
Join discussionJul 14, 2024 · 4 min read · In the world of software development, especially when dealing with data-intensive applications, understanding the concepts of Models, Entities, Data Transfer Objects (DTOs), and View Models is crucial for building clean, maintainable, and efficient s...
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Jul 5, 2024 · 3 min read · In my previous guide, we explored @OneToOne mapping between User and AadharCard entities. Now, we’ll move on to @OneToMany mapping between User and MobilePhone entities in Spring Data JPA. This guide will show you how to efficiently manage one-to-man...
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Jun 15, 2024 · 2 min read · To analyze a real world database like Northwind, we need to solve some of the most common problem that everyday database analysts are trying to solve. For example, an operation team needs data about how suppliers interact with products. They don't kn...
Join discussionNov 29, 2023 · 10 min read · We now know what data is and what a database is. We used a spreadsheet to build a rudimentary employee database. and then improved the database structure by addressing the insert, update and delete anomalies. Then I said, we will now move on to real ...
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