Questions tagged [relational-dbms]

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Create User Table from Google Firebase Analytics and Cloud Firestore Collections

I am exporting my snowplow collections collected on Firebase using the extention Export Collections to BigQuery firestore-bigquery-export v0.1.10. Whenever a document is created, updated, imported, or ...
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Pushing down Group By clause [closed]

I've studied this exercise in class But I cannot figure out why, when I push down the Group By clause, I can remove RLCode attribute from GroupBy. Does this action change the meaning of query tree?
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30 views

Do DBMS decrease Memory requirements?

I finished my Economics thesis using RStudio, but my script was very slow due to massive RAM consumption during the process. My Case I had a massive dataset (stock prices in daily frequency for 10 ...
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1answer
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Storing Big Matrix in DataBase

I have a mysql database with the following format: id string 1 foo1... 2 foo2... .. ... There are >100k entries in this db. What I want ...
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1answer
326 views

Relational Data Mining without ILP

I have a huge dataset from a relational database which I need to create a classification model for. Normally for this situation I would use Inductive Logic Programming (ILP), but due to special ...
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5answers
376 views

The data in our relational DBMS is getting big, is it the time to move to NoSQL?

We created a social network application for eLearning purposes. It's an experimental project that we are researching on in our lab. It has been used in some case studies for a while and the data in ...