Questions tagged [nosql]
NoSQL (sometimes expanded to "not only SQL") is a broad class of database management systems that differ from the classic model of the relational database management system (RDBMS) in some significant ways.
nosql
13,173
questions
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Best frameworks to choose for high scale web applications including databases and architectures [closed]
I'm getting started with [tag: web development] which frameworks do you recommend for designing a high scale web application should I go with java or python javascript with microservices as my backend ...
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0
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19
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How to setup Couchbase with Quarkus?
I'm using Quarkus 3.12, need to connect my application to couchbase. My goal is to do basic read and write operations.
I found quarkiverse/quarkus-couchbase, they have given the below mentioned ...
0
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0
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41
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Database integrity in mongo DB with hooks
I am trying to use mongo DB for my MERN app. So far I have used SQL databases where database integrity has never been an issue.
But mongo being No-SQL does not support foreign key relation which is ...
0
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1
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37
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connecting database with pymongo [closed]
i have been trying to connect to mongoDB using python (pymongo) and this error been appearing, i am trying to use it locally
File "c:\Users\H.E.S\Desktop\tsst\db_config.py", line 1, in <...
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-1
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1
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20
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How to paginate filtered results with DynamoDB scan?
I have a DynamoDB table with a PK id and attributes status (boolean) and type (string with two values). I need to implement pagination for results filtering on status and type. My current approach ...
- 135
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2
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61
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What is the most suitable data type for a column in a table?
Currently I'm trying to develop a PostgreSQL database schema, it has only 2 tables, one of which contains usernames. The difficulty is that for certain reasons I cannot store the username directly, so ...
- 1,245
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Have access to NoSql with MoleculerJS
Please I am using a NodeJs Framwork on a project nammed MoleculerJs and i Want to Know if there is possible way to include NoSQL Db Other than mongoose as Cassandra In the FrameWork ?
const SqlAdapter ...
- 173
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Does the order of the columns in the partition key matter?
Considering the table below, does the order of the partition key a and b matter?
CREATE TABLE t (
a varchar,
b int,
c text,
PRIMARY KEY ((a,b))
);
If a have more unique elements, should it be ...
- 35
0
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0
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45
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MongoDB: Filter array field based on entry from the same array
Given the following collection
db.playground.insertMany([
{ "id": 1, "tags": [{"t": "T1", "v": "t11", "c": 1 }, {"t": &...
- 3,003
0
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1
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67
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Using Redis with complex queries
I have a node js backend service that currently fetches data directly from the postgres database, and I am working to introduce a caching middle layer.
This is my first time using Redis and I am ...
- 3
1
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0
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How to Configure Multiple Communication Paths Between GridDB Client and Server?
I'm currently working on setting up GridDB for an IoT application, and I'm having trouble configuring multiple communication paths between the GridDB client and server. According to the GridDB ...
0
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0
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Unable to serialize unknown type: <class 'beanie.odm.fields.BackLink'>
I am new to using Beanie and I'm trying to model nested categories as part of a FastAPI app. Here's how I modeled the category collection:
from pydantic import Field, BaseModel
from typing import ...
0
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1
answer
42
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How to find the substrings in MongoDB
I have data in my db in the form:
{term: "Hello how"}, {term: "whoever"}, {term:"what"}
I have an array of strings like:
["Hello how are you", "whoever ...
- 1
1
vote
1
answer
42
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Problems with the connection of cassandra in droplets
I'm installing cassandra db in a droplet from Digital Ocean using the following guide:
https://www.digitalocean.com/community/tutorials/how-to-install-cassandra-and-run-a-single-node-cluster-on-ubuntu-...
0
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0
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37
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Mongodb: Error: Failed to create couple: Operation `couples.insertOne()` buffering timed out after 10000ms
I have mongodb setup locally and I created a database with a collection couples. I verified this using mongosh:
This is the code that connects to the database:
databaseConfig.ts
import { ...
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