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.
327
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Best practices for ranking records in flexible way
Suppose we have 10000 records of any product.
User search on our website with his given criteria. so we output search results based on given criteria.
Now Admin want to rank products in search.
so ...
3
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1
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Design advice regarding a users/groups/tasks database scheme
Here are my requirements:
one user can have many tasks
one group can have many task
one group can have many users
only invited user by a user can be added into a group
Does this db design appear to ...
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1
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862
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Precautions when designing database schema if tables are going to have billons of rows
I am about to start work on telephone dictionary kind of project. Its confirm that there are going to be billions of records in dictionary table, and each entry from this dictionary table may have ...
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2
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Daily snapshot fact table
I have a list of products per costumer. Costumers can delete or add products to their list. I want to know in each day what is the list of products (and count) by costumer.
My first approach is to ...
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2
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Appropriate database for web analytics? [closed]
I am working on the web analytics it is similar to google analytics, Currently i am using the mongoDB.
Problem using MongoDB
Writing and reading is performed at the same time so after some point ...
2
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1
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165
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Method to keep track of large number of sets with high cardinality
We're building an analytics service. One of our needs is to maintain ~100MM sets each with anywhere between one member to 1MM members, with each member represented as a long. We need to be able to ...
0
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1
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Database for a startup [closed]
We are in the process of putting together a whole system for a new startup company. This project is meant to store thousands of requests and each one needs to be stored and displayed in real-time.
...
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How to model medium.com paragraph comment
If you have used medium.com, I am interested to know more about how to model readers' paragraph comments in database.
Specifically, how connections between these comments and paragraphs are modeled?
...
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DBMS recommandation for C# applications with provides triggers, procedures and if possible free [closed]
I'm here because I need somme advices about the best DBMS to use in my case. Indeed, I've only studied the theory about the databases. So I don't know a lot about the pratice.
I'm searching after a ...
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1
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159
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Use Database to Store Data Extracted From Internet
I'm mining 500 million users, and their "followers" from a social network using their API. The extraction of data itself is not a problem, since I can do it with my scripts. However having 500 million ...
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3
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in-memory SQL database system [closed]
In an application, I am using mysql's TEMPORARY TABLE. Since this application does not need permanent tables, I wonder if I can find an alternative RDMS designed for memory tables. I hope to find an ...
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641
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Two types of data, so two type of databases?
For a social network site, I need to propose a DB. The application is written in Java & will be hosted on VPS(s) initially.
Broadly classified there is two type of data to be stored at backend:
...
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766
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Handling or preventing conflicts in a multi-user system
I have a web application that is accessed by multiple users from different locations worldwide. Let's say I have an "edit" form for a specific document and two (or more) users are editing the document ...
0
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1
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Is PostgreSQL appropriate for processing this large but simple dataset? [closed]
I have a dataset I'm not sure how to store. The structure is simple: 30 numeric attributes identified by about 15 billion x, y, and t values. We're expecting ~17k t values and maybe 90k x/y ...
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1
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340
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Suitable database software for small business [closed]
First of all, I apologise if this is in the wrong area.
I'm looking for a suitable database program for a small engineering business, which needs to log various jobs. Currently, we're just using an ...
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which role-permission database design?
I want to manage roles and permissions. Most of designs on web look like this
tables:
Users
Roles
UserRoles
Permissions
RolePermissions
Here, what is permissions? I am thinking for such a design ...
3
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What are reasonable options for an in-memory multi-core database?
I'm going to preface this with pointing out that I only need somewhat persistent data. The purpose of this database platform would be to support statistical analysis in R. I usually build my tables ...
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Should database files be on different disk(s) than OS?
My very short overview
SQL Server databases are installed as virtual machines on VMWare, there are plugged a few disk areas with the same (or very similair) parameters
versions are SQL Server 2005/...
2
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1
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370
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Switching to NoSQL for native JSON use?
I am rather comfortable writing concrete schemas with explicit primary keys, foreign keys, indexes, views and stored procedures. For queuing I use a NoSQL solution called: Redis.
Recently I heard a ...
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3
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Relational vs Non-Relational Database for Events Database
I'm trying to find out whether an SQL or no-SQL solution would be better for creating an events database. I'm creating a ticketing system, similar to ticket master. I know that for either database-...
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1
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Approach for a 2,000 table migration
What might be the best approach when converting or migrating a database containing over 2,000 tables? Where would you begin to tackle such an issue? Steps to take in the first weeks of designing? ...
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2
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mySQL- large database
I need guideline to setup DBMS(MYSQL or SQL Server 2008). The database size is expected upto 80-100GB in next few months. One main table will contain textual content like essays. Can MySQL handle such ...
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good practices of creating tables in mysql [closed]
Hi I was thinking of developing an web apllication using php and mysql.
Application will give a professor the required data about the student.
i want to design application considering Engineering ...
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1
answer
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Database theories possible topics to research through [closed]
I need to conduct a research on database theories. I want to know what possible questions should I research on which is believed to be suitable when researching database topics for a online assessment ...
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0
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Real Time data collection - Help select Database
My Scenario:
I want to collect data from various sensors[for now I have 600 sensors sending data, but this may have to scale up to 3000 more data sensors, all sensors send real time data] Now I have ...
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How can I move 5 GB data from one database to another faster?
I'm using MySQL as database with Windows server. I'm having 5 GB of data in database. Now I need to change my server and the question is that how can I transfer complete 5 GB data to one mysql ...
2
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0
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Digital asset management
I'm working in a company that currently develops Media Asset Management system and now we want to improve our system for document files. I have to search nearly thousand .doc and .pdf files and index ...
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1
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521
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Which database is designed for storing and incrementing values?
We're trying to build a stats server that stores visits for each document on a section for a specific date, so we need a table that has the following parameters:
documentID
sectionID
date
visits
The ...
3
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2
answers
3k
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Should I create a separate user table for different web products within the same platform?
We have a web product for young professional that gives them the possibility to create their page to show their professional identity.
So a table users that has both information about the user (email, ...
4
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2
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152
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Which database type to use
I want to implement database for following application:-
User creates task and assigns to other user who can furthur split it into subtasks and assign it to other users.creaking a tree like structure....
4
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2
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NoSQL, CouchDB vs. CouchBase, What should i do? [closed]
I started to encounter some issues on my production site, when having a web page that needs to load a very big ResultSet (currently coming from relational database, MySQL) it takes forever, and ...
11
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What platform for a large record based mathematical database?
Hi I am a civil engineer with some experience of programming but I am not familiar with the vast range of options available today. Hope you could give me any pointers the best way to proceed.
I want ...
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Database suitable for data mining
What would be an appropriate / suitable database sans Oracle that would be suitable for the following conditions?
data mining
includes but does not limit to the following:
a. clicking on links
b. ...
0
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1
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Looking for a scalable relational database [closed]
I'm looking for a database that achieves the following:
fully ACID.
relational with joins.
has transactions.
allows the administrator to specify sharding rules (for example: users from Europe should ...
2
votes
2
answers
173
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Small Cloud Database [closed]
I'm researching the best way to do the following but haven't been able to come up with anything. I'm trying to build a small (probably 3 or so tables with at most 200 records each) relational ...
2
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1
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is it reasonable to use NoSQL for my project
Imagine you want to write a webapp for selling your car online.
A car has a lot of attributes. Like how many doors, color, aircondition, etc. Some of them are simple boolean values, others might need ...
2
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1
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262
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Which database to use? [closed]
Hey there. I am looking for a free to use for commercial website database that should have these design features, in the given order:
Auto-Sharding (getting more free space by adding more server ...
4
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1
answer
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SQLite or CouchDB for Locational Data Mining Project?
I am currently designing a Data Mining Project where I am going to harvest rather large volumes of Twitter data in order to analyse locational data (geocoded tweets) and do some machine learning with ...
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2
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Database structure for a system with multisite
The system I'm working is structured as below. Given that I'm planning to use Joomla as the base.
a(www.a.com),b(www.b.com),c(www.c.com) are search portals which allows user to to search for ...
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2
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Keep total transaction in invoice application
I want to make an application called as Invoice Application with MySQL database. Now I have designed this database. Now I want to know is this database good for Invoice Application. I will use MySQL ...
4
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2
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Save history editable data RDBMS
I want to make application like testing system. Every question has one or many variant of answers (and one or many can be right). I apologize that tutors and students use my testing system. It means ...
5
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3
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Storing date increments in tables
I'm working on a ASP/MS SQL project that performs a lot of calculations based on dates and time. In one case, the system will lookup a value based on the nearest half hour increment throughout the ...
256
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6
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How large should be mysql innodb_buffer_pool_size?
I have a busy database with solely InnoDB tables which is about 5GB in size. The database runs on a Debian server using SSD disks and I've set max connections = 800 which sometimes saturate and grind ...
26
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3
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Is there a tool to check if my database is normalized to the third normal form?
I learned about normalization recently, and understand how important it is when implementing a new schema.
How can I check if my database is 2NF or 3NF compliant ?
Manual review is a sure option, ...
3
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1
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Curious Database building Problem (ER Diagram)
I am trying to build an EER Model for a Autostore that has 5 locations and offers a range of auto products. They offer car repairs and roadworthy tests as a service also.
I need to be able to make ...
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Is there any benefit to defragmenting SQL indexes in a SAN environment?
Our SQL server lives on a SAN. It contains dozens of OLTP databases, some with several tables containing over 1m records.
We have been running Ola Hallengren's index maintenance scripts weekly, and ...
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2
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Database design experienced view
I want to make a database that stores countries, their respective states, and cities. I am confused how to normalize these. Can anyone help?
My ideas:
Table 1 Countries (id pk, name , code)
...
3
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3
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Which graph database for search engine and gis? [closed]
I just learned there are "graph databases" out there, which are more suited for two applications "search engine" and especially "gis".
To avoid discussions whether a relational DB is better suited ...
3
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3
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Is this database fine for calculation?
I am doing an application called as Invoice Application.For that I have my database is like this.
Now my problem comes when I am taking the tax part in my database.As I have made tax as an option ...
6
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2
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Local database vs Amazon RDS
I am doing large INSERT into a local MySQL database
I am at 2,000,000 rows and am really starting to notice the slowdown now. I always heard that MySQL wasn't very scalable
I expect this database to ...