All Questions
21
questions
0
votes
1
answer
64
views
How to handle concurrently caching expensive request data in postgres?
I have a kubernetes deployment which is fielding expensive (but cache-able) requests, let's say a website scraping service (not really) which takes about 15 seconds to scrape a website. In my backend ...
1
vote
1
answer
165
views
SQL - store "like" counts as separate column or infer from a query?
Say I have a feature in a web app where users can create a post and like it. In the frontend the user should see the number of likes a post has.
I could store the data two ways:
1. Option 1: A small ...
- 189
0
votes
1
answer
93
views
Am I making this web app right?
I am currently making a newsletter website that will send you a email with the top ten manga for that week. Currently I have a web scraper that retrieves the top ten along with descriptions and other ...
-2
votes
2
answers
154
views
How to filter and concatenate multiple sql files into one database [closed]
I have an issue where I have multiple databases from previous projects that I would like to combine into one large database. These databases are stored in .sql files. The issue is that I only need ...
- 7
2
votes
4
answers
2k
views
HOWTO: Full-text search over an encrypted database?
I want to adhere to the best practices and obviously encrypt the data sent to me by user. And I also want to provide the full-text search feature to the user (user can only search their own data, if ...
- 95
2
votes
1
answer
54
views
SQL: Analytics event value that can be string or number
I'm using a PostgreSQL database and I want to create an analytics table that has a many-to-one relationship with an analytics_type table where analytics_type_id is the foreign key. The table also has ...
- 47
-1
votes
1
answer
106
views
Commit instead of rollback? [closed]
Simple example (PSEUDO CODE):
for (int i = 0; i < 100; i++) {
START TRANSACTION;
SELECT id, name FROM employees WHERE id = i;
IF (someFunction(id)) {
ROLLBACK;
...
- 11
2
votes
2
answers
261
views
What is the best practice for hierarchical container - item relationship in a SQL database?
I am in the process of designing a database organizing real world items in different storage locations.
One main principle is that items can contain other items.
So the relevant table is:
An "...
- 311
0
votes
2
answers
481
views
Is it true that ORM allows for changing the type of SQL that you use easily?
Hey so I have been looking into ORM since my last question and I am wondering.
Instead of worrying alot right now about whether I will use mysql, postgre, or sqlite, would it be better to use ORM ...
- 139
0
votes
1
answer
1k
views
Doing data manipulation on server side vs client side
Im building a project that stores time series data on a per user basis. On the dashboard of the user it'll show some simple statistical analysis like averages but more importantly, it'll create charts ...
- 157
-3
votes
2
answers
913
views
Database Schema for a multiplayer quiz game
I'm trying to accomplish this scenario :
There are 2 types of users, let's say Admin and Worker, and there have different roles.
Admin can do a CRUD of questions, and also can create a room where ...
1
vote
1
answer
721
views
I need Auto-incremental like key but how?
I have a business specific pattern for storing their IDs. It's in the format of yy-mm-autoincrement.
I could just store date and incremental id but there's another problem. It should be restarted ...
- 363
1
vote
1
answer
90
views
Database Schema design of server running status log
I am working with 4 AWS EC2 instances (servers). Each Instance has Instance ID and Instance Name. Instance ID is unique. Each of them having multiple application servers, like on of them is running ...
- 113
1
vote
2
answers
70
views
Proper way to track ranking evolution of some db records
I will have a database of products where each record will have a number associated with it, let's say, the number of "sales".
I will periodically update the database so each "sales" field for each ...
- 231
2
votes
1
answer
618
views
Scaling resolution of time series data
I built an app that display time series data. The display is very similar to a yahoo finance chart (ie https://finance.yahoo.com/quote/AMZN/). I am using Postgres to store the data because that was ...
- 121