All Questions
17
questions
1
vote
0
answers
148
views
DynamoDB Modelling: Find all entities that match search term against various entity attributes
I am new to DynamoDB and the world of NoSQL in general, and although I have purchased and read Alex DeBrie's DynamoDB book, I still couldn't figure this out.
Scenario:
I want to build an app with one ...
- 15k
0
votes
1
answer
343
views
dynamodb composite primary key design with multiple attributes
I am trying to design a dynamodb table to store data, in which multiple attributes constitutes as unique key. In this case how do I design a DynamoDBHashKey/primary key?
Currently I am thinking of ...
- 437
0
votes
2
answers
37
views
SQL or No SQL database for this use case?
I am working on a new project and this is my use case. In a table, I need to store the following fields.
teamName - varchar
caseId - varchar
startTime - long (epoch)
endTime - long (epoch)
status - ...
- 31
1
vote
1
answer
440
views
Is it good to use DynamoDB for read-only write-once data?
I got a database of my country postal code with its respective district. (https://github.com/pentagonal/Indonesia-Postal-Code/blob/master/Json/postal_array.json )(about 13 MB in JSON)
Is it good to ...
- 1,995
0
votes
0
answers
204
views
Selecting between NoSQL and SQL databases for AWS Calendar API
Application Description
I am currently working on developing a resource scheduling and management application. It's essentially a calendar application with the ability to book specific items (cars ...
- 116
0
votes
2
answers
150
views
What's best practice for designing a table with many access points in Dynamodb? [closed]
So I am working on an application that is designed to be highly searchable - almost every field in the table will be querable. Let's call the table "job." It would look something like this in pseudo ...
- 2,799
1
vote
0
answers
880
views
should we I use SQL or NoSQL for react-native app
I'm making an react-native app that track drivers. The data from tracking plugin is produced as SQLite. Should we I use SQL or NoSQL?
If go towards NoSQL:
I'm using AWS and I like dynamo because I ...
- 1,755
4
votes
1
answer
371
views
Modeling N-to-N with DynamoDB
I'm working in a project that uses DynamoDB for most persistent data. I'm now trying to model a data structure that more resembles what one would model in a traditional SQL database, but I'd like to ...
- 9,137
-1
votes
1
answer
383
views
how can i do this query on dynamoDB + Android
I've got a DynamoDB table containing 'n' Book title in only one dynamoDB Item (and this freak me out)
in this structure, rentBook is the table on dynamoDB, with 2 attributes:
String StudentID
...
0
votes
1
answer
149
views
Can I query DynamoDB with multiple LSIs?
I have a class named Person with three LSIs: age, job_title and years_of_experience. Is it possible for me to query with conditions on all three LSIs at the same time? Thanks!
- 2,890
0
votes
1
answer
102
views
How to index a two column database in AWS (DynamoDB or SQL) for preformance
I want an efficient way to store ItemIDs and AttributeIDs for querying in DynamoDb.
There are a few thousand unique ItemIDs and 300 unique AttributeIDs.
Each ItemID is usually associated with 20-100 ...
- 2,876
1
vote
2
answers
4k
views
DynamoDB for bank transactions
I am thinking to simulate a bank account like transaction in a dynamodb
Being a noSQL type database, would this use case be suited for dynamodb?
Or should I stick with SQL based database?
Does anyone ...
- 149
4
votes
1
answer
6k
views
Is Reservation System Suitable for Amazon DynamoDB / NoSQL?
I'm working on basic restaurant reservation system and was thinking about using Amazon DynamoDB for this project. That being said, I'm not even sure if DynamoDB is suitable for something like this or ...
- 1,667
0
votes
1
answer
78
views
DynamoDB: get latest observation for particular hash key and secondary field
I have a table where I store multiple observations over time of social media posts on a set of web pages. The table columns are page_id, post_id, and obs_date [plus others with my interesting data]. ...
- 53
0
votes
4
answers
159
views
Best solution for storing / accessing large Integer arrays for a web application
I have a Web Application (Java backend) that processes a large amount of raw data that is uploaded from a hardware platform containing a number of sensors.
Currently the raw data is uploaded and the ...
- 3,073