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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4
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2answers
127 views

Data Modeling for different roles

This is my first post here, so I hope its clear enough. I want to make an application for people who sell, buy, rent and fix a certain product. I need to create a database that would keep the data of ...
0
votes
0answers
91 views

Using MySQL As A Graph Database, Can It Be Done Efficiently?

So I am currently working on a startup idea with a friend and we've come a long way, it's somewhat functional and I've tried to not let database design decisions slow the progress of the site. As of ...
0
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1answer
123 views

Automobile database logic

I am building a web based quoting system for a local automobile dealership. I think I have figured out the logic for the databases but I want to get a second opinion before I start just to make sure ...
2
votes
1answer
154 views

Does creating View cause an overhead to DB?

As my subject suggests, I would like to know does creating views cause an overhead to DB in terms of space, storage, performance?
0
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0answers
55 views

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 ...
0
votes
1answer
161 views

facebook group alike 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 ...
1
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1answer
165 views

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 ...
0
votes
0answers
51 views

how to design my database for faster reads for my situation

I have a situation where i have two categories. Lets say type A and type B. In my database I have some 50,000 type A entries and 100,000 type B entries as of now. For each entry mentioned above(type ...
0
votes
2answers
137 views

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 ...
1
vote
2answers
346 views

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
votes
1answer
98 views

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
votes
1answer
57 views

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. ...
0
votes
1answer
209 views

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? ...
0
votes
2answers
114 views

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 ...
1
vote
1answer
86 views

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 ...
1
vote
3answers
140 views

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 ...
1
vote
0answers
34 views

What database to use for easily handling join-like queries on multiple very large tables? [closed]

I'm currently looking for a database engine than can easily handle queries on multiple collections/tables (at least 5) with aprox 10M entries each. Any advice on what to use?
0
votes
1answer
75 views

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: ...
1
vote
1answer
143 views

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
votes
1answer
78 views

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 ...
0
votes
1answer
120 views

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 ...
-4
votes
1answer
119 views

recommendations needed in order to become a junior DBA [closed]

I want to start off work being a junior DBA very soon. At the moment I have a Bsc in ICT 2:2 but my database marks was very strong including an 86 in my oracle assessment which is following a ...
1
vote
0answers
643 views

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
votes
0answers
150 views

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 ...
0
votes
1answer
102 views

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 ...
1
vote
1answer
230 views

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 ...
3
votes
3answers
802 views

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 ...
1
vote
1answer
97 views

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? ...
0
votes
2answers
146 views

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 ...
1
vote
1answer
479 views

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 ...
-1
votes
1answer
91 views

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 ...
1
vote
0answers
118 views

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 ...
-1
votes
1answer
199 views

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
votes
0answers
106 views

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 ...
1
vote
1answer
98 views

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 ...
2
votes
2answers
2k views

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
votes
2answers
99 views

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 ...
2
votes
2answers
4k views

NoSQL, CouchDB vs. CouchBase, What should i do?

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 ...
9
votes
1answer
168 views

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 ...
0
votes
1answer
151 views

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
votes
1answer
92 views

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
2answers
138 views

Small Cloud Database

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 ...
1
vote
1answer
178 views

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
votes
1answer
176 views

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 ...
2
votes
1answer
438 views

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 ...
-3
votes
1answer
291 views

Simple online collaborative database for many users to add and query… does it exist? [closed]

:) I'm looking to create a VERY simple database that people can subscribe to for a nominal monthly fee... no relational/pivot tables, no complicated expressions, etc... just an easy form of a couple ...
1
vote
3answers
396 views

Which RDBMS has the most advanced “table-valued” functions?

Every Database Management System focuses on specific features and applications. I am using mysql, probably as it is popular and satisfies common needs. However, I came across a problem, which needs ...
2
votes
2answers
245 views

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 ...
0
votes
2answers
638 views

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 ...
3
votes
2answers
612 views

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 ...