Questions tagged [database-recommendation]
Determining what database product best fits the requirements and limitations in a specific situation. This is advice that generally requires much more insight into requirements than can easily be gleaned on a Q&A forum such as StackExchange.
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What kind of DB is best for frequent writes / rare reads?
It needs to:
Handle around 80,000 writes / second
Store billions of rows
Store them for many years
Consistency is a must
Reads are very rare
Data is currently stored in an RDBMS (I need to collect ...
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Data management pattern for temporarily storing/retrieving excessive quantities of data
I have been tasked with creating an application to ingest raw binary data from a software-defined radio (SDR) and display it in a web frontend. One of the purposes of this app is to allow a user to ...
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Standalone single binary database for time series data
I am looking for a database that ticks the following boxes:
Single binary, or portable version that can be executed without installation, available for Windows and Linux
Library for at least Python ...
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What database to store 20~ billions rows
I plan on archiving messages, and I'm not sure which I should use.
It should be able to hold a maximum of 20 billions rows (that's what I expect the total number to tend to)
Each row will have three ...
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Sql Server - Best Practices for Growing Large Database Files
I know this kind of question has been asked previously but I don't get the answer that I'm looking for.
I'm reconsidering setting up Autogrowth for DB Primary & Data files for Log(partitioned ...
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Is there any database uses lzma?
according to this article, lzma has a great performance on compression ratio. I think lzma database is a good choice if I don't care about compression speed, so is there any database that uses it?
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Are there any databases that properly support sum types/tagged unions?
I want to model various different events. Every event happens at a specific time, but other than that, each event needs to have different associated data, depending on the type of event. In Rust, I ...
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Choosing relational DB for a small virtual server with 1Gb RAM
I am trying to find a decent relational database that would run on a small server, would be easy to administer and have much community love.
I need a lightweight relational database for my personal ...
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Best database solution for highly interconnected entities?
I'm building a service (or rather a set of microservices) to serve as the backend for a social-network-like website. In short that means the following for my data:
millions of entities
with dozens of ...
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What database product would support 8000 columns, unlimited row size and no character limit on text fields?
Imagine a spreadsheet that's as wide in column count as it is long in row count - say 10,000 rows x 10,000 columns. That's what I'm trying to find an equivalent DB product to achieve. The column ...
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Database recommendation storing a growing set of recordings
Suppose I have a large volume of recordings coming in from various sources. Encoded as JSON-lines, they might look like this:
{ "metric": "temperatureRange", "values": [ &...
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Best database for array like collections
I'm going to build a Go application that will check id(s) in a list of ids. Structure will be something like this for database:
Company A
List 1 -> 100.000 ids
List 2 -> 250.000 ids
Company B
...
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Choosing the right database for stock price history
The model is [(stock_id, period, ts), open, high, low, close, last, volume]
We write new prices for all stocks (120,000) each minute and delete old once when they go out of retention time. It doesn't ...
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Best database for storing and retrieving articles / blog posts / forum posts etc [closed]
I am trying to create a database to store articles, posts etc. They will usually contain a header column, content and some meta data like author or date time stamp, I assume each of these will be a ...
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Are relational databases even viable for large eCommerce platforms? [closed]
I've been assigned to an eCommerce platform that has huge quantities of data ( hundreds of thousands of products, sellers, etc ) and I've been trying to choose the proper tools and approaches required ...
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How do I resolve having a M:N relationship in my Crow's Foot Model? Am I on the right track?
I am very much a beginner and taking a class on databases. My assignment involves using Crow's Foot notation to represent the following tables:
This is my design for it so far. I am nowhere near done ...
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Best Database for range queries on a single column [closed]
here's my usecase: I have these fields: id(int), frequency(int), created(timestamp).
I need a database that can optimize range queries on created field. Specifically for queries like: SELECT * FROM ...
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Best Database to be shipped with my application? [closed]
I have a .NET core application using a database. I need to create an installer using NSIS where I will be packaging my application along with a database, so that the client can easily install my ...
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Many-to-many database [closed]
I am thinking about making a music database. Something where you can search by
artist, album or song. This seems to be a Many-to-many model, as an album can
have multiple songs, and the same song can ...
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Implementating user notifications list using Aerospike
I need to choose the right DB for a notifications system that needs to handle billions of notifications. The record structure is as follows:
[user_id, item_type, item_id, created_at, other_data]
The ...
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Storing timeseries data with dynamic number of columns and rows to a suitable database
I have a timeseries pandas dataframe which dynamically increases the columns every minute as well as adds a new row:
Initial:
timestamp 100 200 300
2020-11-01 12:00:00 4 ...
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Advice for database implementation [closed]
We need to configure a database for our NGO. We have to save information about the children and several pictures and documents for each of them.
A friend is currently saving the data of over 70 kids ...
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Do we have any File Table / File Stream like support in any other database than MS SQL Server?
I am looking for an alternative to Microsoft SQL Server's File Tables / File Stream feature. The reason is because I really wanted to use SQL Server File Tables but I am on Linux and using docker.
...
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Which database should be using for my specific goal [closed]
Introduction:
I am trying to figure out what kind of database I should use for my project to get the best speed possible.
Background:
I am not sure if MySQL is the best solution, but I will use MySQL ...
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Which database to use when you have a 6 billion of rows inside and need to query rows with from list of IDs? [closed]
We are currently researching our case of storing the road distances between cities. Right now we have 6 billion of those distances.
Our structure right now in SQL Server is that we have a float which ...
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Creating big shared database
I wish to create DB in Firestore. My program will have multiple user and each user will have calendar and can create an event. The user can share this event with any other user (Similar to Google ...
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Geo Route - Best way/db to store route path
We are developing an app in that UI need to show a path where a truck driver drives the truck.
Driver mobile will continuously send (example every 10 seconds) their live location.
Which database is ...
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Database software solution [closed]
Our company has user data (name, email, phone number, systems of access, AD username) in a large Excel workbook. The Excel workbook is becoming very slow because of the 1000s of entries in it, and we'...
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MySql : Does it worth to convert a column with type DATETIME to DATE?
At the start of a project, a DATETIME column made sense. But now, 5 years after, requierments changed the time part have never be used.
My table has about 100k lines and grows with about 500 lines ...
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Is there a type of database that can directly recall an element given a pointer in O(1) time?
I'm currently using levelDb, which is a key->value store database. The only data being inserted are small binary blobs (that represent nodes for a large merkle tree). When I put a value in the db, I ...
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How to store real-time data to database [closed]
Here is my situation:
I have a WebSocket connection that feeds me data real-time
I have an async callback function that gets the data and inserts into a queue
I have another thread that reads from ...
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Overwriting MySQL database to only store 1 month of data
We are logging data on hardware with only small memory (short on disk storage) only 4GB.
We only require the data to be stored for 1 month and then be over written in a way that it overrides older ...
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Python - Best database for exponentially growing database? [closed]
So I am making a Discord (social media) Bot in Python using discord.py-rewrite, and I need to save informations of lots of servers and users (such as how much money they have, what items thay have…). ...
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How to set up a solid MySQL/MariaDB Server for +3000 active connections? [closed]
Background.
I have an App connecting to an RDS instance on Amazon (r3.Large) and it's working smoothly. However, the boss does not like to spend ~ $1,000 bucks a month on it so we are moving In-house....
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Database/cloud solution for very wide time series data (i.e. spectra with up to 8196 columns)?
I'm dealing with data from a science project which comes from a multi-channel analyzer: once per minute I get 2048 integer values from one device and 8192 integer values from another device. Both ...
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What DBMS to choose for my production environment? [closed]
This is my very first question on the StackExchange/StackOverflow community. I originally am an electrical engineer so I hope you bear with me.
I need to set up a database whose purpose is to be ...
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Database which can be setup without admin user [closed]
I'm looking for a database (relational would be preferred, but NoSQL is also okay) which can be run without an admin user. I want to setup the database with an admin user, but then delete the admin ...
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852
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View images as query results [closed]
I've done lots of research on the topic but I'm drawing a blank. Are their any database engines that can return rendered images in the query response?
For example:
Select images from fruit where ...
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Multi-master (NoSQL) database solutions with cloud and no-premise option [closed]
We are currently investigating database options for distributed database (possibly globally distributed) where the data in general is stored in "cloud" (this would not be a special requirement). The ...
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How do database operations (write, update, alter) on particular cell in a table are written to disk without overwriting entire file?
When I want to write to or alter particular cell of an excel file/table using python I'll use pandas read_csv then alter value in particular cell and write back to file with to_csv. But writing back ...
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which is the appropriate database for my use case [closed]
I have a set of n sentences (n >= 100k).
I want to perform queries of the sort where given a set of n_i sentences i return a set of m_i words that is present in one subset of n_i sentences and not ...
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How to design a database for production volume and loses control? [closed]
I must develop a database for inputting information of the produced volume (hourly), quality and technical issues during this production. As the input of the production volume is made manually, the ...
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Are there alternatives to Microsoft Access? [closed]
In my office, we often use MS Access for many applications (eg creating reports, data analysis and data processing) because it is convenient to use (easy data import, fast query building, easy ...
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Different categories of missings
Most database systems can represent missing values, typically as "Null" or something similar. But what if I want to represent different categories of missing data?
For categorical data, this is ...
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Structured .TXT Data To A Proper DBMS [closed]
I'm presented with multiple .txt documents (each with its own set of columns) containing rows separated by some type of delimiter (which is different across the files). Each .txt file has different ...
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database and table design for billions of rows of data
basically i got 2 tables: header, details tables.
CREATE TABLE `header` (
`ID` int(11) NOT NULL AUTO_INCREMENT,
`RECORD_DATE` datetime DEFAULT NULL,
`TICKER_ID` int(11) DEFAULT NULL,
`...
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3
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Zero Maintenance self-hosted off-line databases?
I'm looking for a "Zero Maintenance" database engine that can be installed on Windows. We have a lot of customers that want our software installed on their local computers. Although we have a cloud ...
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Storage solution to run IoT analytics [closed]
I have several hundred IoT devices pushing data to my server every minute. The data is structured and it has following columns:
Site ID (String)
Event Start time (Date Time)
Event End Time (Date Time)...
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Suggestions for type of DB to use (Elasticsearch vs MongoDB vs Hadoop)
I am hoping some of you highly skilled DBAs can provide some insight as to the best DB to use for this dataset.
This is a relatively simple dataset with no relationship needed between the entries. ...
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Should I use MongoDB or a relational database management system for this scenario? [closed]
I have a different item types, each item has different number of attributes some attributes might contain an arbitrary number of values. For example, a building which has amenities attribute, this ...
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