All Questions
Tagged with database-design database
454
questions
2
votes
1
answer
149
views
What is an optimal system design for tracking product views per user that is scalable?
I have a web application that contains products and users. There are 10,000+ products and 100,000+ users to give a sense of the scale that's required.
For some application specific reasons, I need to ...
- 29
2
votes
1
answer
182
views
Designing a flexible and comprehensive restaurant menu database schema?
I am working on developing a MySQL database schema for a restaurant menu system inspired by platforms like DoorDash, UberEats, and Yelp. My aim is to design a schema that is flexible and can handle ...
- 145
2
votes
1
answer
127
views
Handling Back-dated Transactions and "Online" Transactions on ERP/Banking Systems
I was currently developing a PoC of a "core banking system" in my current company, a pawn shop that generally offers lending services to retail customer and deposit services. We've built a ...
- 29
0
votes
1
answer
372
views
Clarification on using timestamp without time zone and LocalDateTime in UTC-centric systems
I'm seeking clarification regarding the usage of timestamp without time zone in a database and its corresponding Java type, LocalDateTime. The current setup I'm working on involves servers and (...
user175557
-2
votes
1
answer
85
views
What is a route I could take when considering setting up a data warehouse for a small business? [closed]
I am working for a medium-sized development and construction company and we are looking to upgrade our data and BI. Currently, all project data is managed via Excel (data, project management, and ...
-1
votes
2
answers
250
views
Should I store large amounts of data in the properties of a node in a graph database?
I'm building a reddit clone on top of software that must incorporate a legacy neo4j graph database to track user actions. I also want to use it to store the comment/post data. Assuming this new app is ...
-2
votes
2
answers
198
views
Designing a database schema for a website related to my town's history
I am working on digitizing old photographs, articles, ephemera, etc. related to my town's history, and I've been tasked to put these scans I've made onto a website for the public to see. There are ...
- 13
12
votes
5
answers
7k
views
Is it an anti-pattern to create ORM entities based on existing database schema?
I maintain a large legacy app working with SQL database. The app uses raw SQL queries to query the database. Together with app rewrite I plan to introduce ORM to work with the database.
The simplest ...
- 277
2
votes
3
answers
479
views
Dynamically transform EAV data into standard SQL table
I use MariaDB to store data using EAV model. I need EAV, because each attribute of each entity can have its own validity (validFrom, validTo).
For example, I have entity person and I track changes ...
- 277
15
votes
4
answers
5k
views
Better solutions than joining table for Many to Many?
Lets say I have students and classes which are 2 entities. A student can take many classes and a class can have many students. This would be a many to many relationship.
To solve this with an RDBMS my ...
- 345
0
votes
0
answers
100
views
Data modeling - strategy game - over-normalization?
I am trying to build a travian-like web browser game (static strategy game). I am currently working on my tables and data model. I don't have much experience with relational databases and I am ...
- 155
0
votes
3
answers
102
views
How to avoid data corruption with dual parent/child foreign keys
Imagine the following:
Persons table: (Id, FirstName, LastName)
PersonEmails table: (Id, PersonId, Address) (to allow a person to have multiple emails)
Contacts table: (Id, PersonId, UnsubscribeAll) (...
- 155
0
votes
1
answer
70
views
Secondary indexes vs Using elastic search
When does it make sense to put data in elastic search vs creating secondary indexing on Primary datastore?
Elastic search with another primary store
Pros:
Primary datastore can be optimised for read ...
- 134
-2
votes
1
answer
481
views
Adding new column(s) to DB Table breaks existing queries [closed]
Dilemma: I am working in microservices (MS) architecture for a product with shared (PostgreSQL) DB between MSes and DB Views exposed as Data Access API between SW Components, written and maintained by ...
- 107
1
vote
1
answer
4k
views
SQL or NoSQL Database for a chat application?
currently I am working on a kind of "Chat" Application.
The app consists of "threads". Each of this threads consist of "subthreads" in wich a user can send a message (...
- 65