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-2 votes
0 answers
23 views

Which one is a better approach to store a course's table of contents? [closed]

Let's say I want to store structured data as follows for a particular course for an ed-tech app: 1. Unit 1 1.1 Chapter 1 1.2 Chapter 2 ... 2. Unit 2 2.1 Chapter 1 (Unit 2) 2.2 Chapter 2 ...
coderboy's user avatar
  • 1,794
-1 votes
2 answers
38 views

one-to-one mandatory attendance relationship

As shown in the diagram, there are 2 tables with a one-to-one relationship and mandatory participation. Can you help me implement this as ddl code? I could do it easily when there was no mandatory ...
Davut Boztaş's user avatar
1 vote
2 answers
61 views

How to system-design paying a payment with multiple currencies

I am developing an accounting app where users can have a product with currency A. The value of the product can be escrowed using a cheque payment with currency B and this cheque payment can be paid in ...
Mohamed Ibrahim's user avatar
-1 votes
0 answers
30 views

Parent-Child relationships where parent and child tables may change based on settings

I am developing a Warehouse Management System. Each Warehouse can specify storage locations by varying degrees of specificity: Zone, Aisle, Row, Rack, Shelf, Bin. While Bin is always required because ...
Zack's user avatar
  • 85
-2 votes
0 answers
35 views

Normalized database structure would result in the lowest-level types containing huge amounts of data

I'm using Xano as my database management system. Here’s how my website content is structured: - Company (first level type) -- Division (second level type) --- Team (third level type) ---- Employee (...
un Lustucru's user avatar
0 votes
0 answers
19 views

Product variant but has other variation

I have product table and produk variant But I want that product variant has other options again This is my product, I have a custom cloth that has types of collars , cuff, pocket, plackets, fabric But ...
Pi L's user avatar
  • 47
-1 votes
0 answers
20 views

How to design a database with a large number of data items [migrated]

I collect data every second from a control device. The device has 8,191 points of data from X1 to X1FFF. I thought of two designs to store the data. A table that stores data in columns: This method ...
BTOM's user avatar
  • 71
-1 votes
0 answers
39 views

Database Design: Choosing Between Table Inheritance and Table-Per-Hierarchy for User Types

I am confused about creating a database and I need your help. I want to create a small-scale hospital management system. Here I want to create my users using Microsoft.Identity, but the point I am ...
JacksonT's user avatar
-1 votes
0 answers
45 views

Creation of dynamic tables in the database diagram

I want to build a database diagram. I have a diagram with all the fields I created. It's about IoT devices and their belongings, and I want to add the ability to create dynamic sensor tables. For ...
Alex Kotl's user avatar
0 votes
0 answers
23 views

Real estate database design to save listings of different types [duplicate]

I am creating a website similar to this website. My website needs to allow users to save different kinds of listing like home, plots. offices, shops, agricultural land etc. My question is how to ...
Muhtashim Malik's user avatar
0 votes
0 answers
34 views

How do I setup baserow such that I can migrate data from one table to another?

I am new to base row and I would want to set up a system such that a record added to one table is automatically copied to another table. I can't really go into too much detail but for example, once ...
Mbugua Mnjala's user avatar
0 votes
0 answers
45 views

How to count the number of read/write units being used on KV?

The free plan of Deno Deploy gives me 450,000 read units and 300,000 write units per month. One read unit is equivalent to 4 KiB of read. If you read a 2 KiB record this is 1 read unit. If you read 4....
Ooker's user avatar
  • 2,523
-1 votes
1 answer
53 views

Whats the best way to design an event table where different event items are provided each time the event updated

I have a raw event table that I'm working with. It has two columns date and metadata. Metadata has raw json dump of all the event attributes. But I'd like to make it clear that each time different ...
noor h's user avatar
  • 1,505
0 votes
0 answers
8 views

How to design data consistency check rules

Data Reconciliation Rule Generation Background: In the process of e-commerce shopping, when a user places an order, data information will be stored in different systems' tables such as order table, ...
Meichen LU's user avatar
2 votes
1 answer
36 views

Can i add new nodes and increment n_val in Riak kv?

I intend to make a desktop app for a company that has multiple gyms at different locations,where a client who registered his membership at one gym should be able to access all other gyms with the same ...
H Youcef's user avatar

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