Databases that do not use SQL as their query language.

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0answers
35 views

Best approach for data storage in custom web app

I'm designing a system with clients where I have following data structure: users table: user,pass,name,address,phone,email,creditcard,verificationcode,ispro,istrial,regdate,etc. session table: ...
0
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1answer
72 views

Relational Database with XML [on hold]

I want to create a Metadata server in which I can store different Metadata from different file types. There are existing standard tags in Exif or IPTC-Core Metadata which I can input as columns in the ...
0
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0answers
29 views

I have two applications… use NoSQL or RDBMS? [duplicate]

I have two applications in the making: one is a budget management tool; the other is a article based places/restaurant guide. The budget management tool works where users create accounts (e.g. bank ...
2
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2answers
116 views

Should I use relational or noSQL databases for this problem

I'm working on a project where one part is to save data of different people. A typical person might have the following structure: Email: Multiple values possible City: Multiple values possible ...
0
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1answer
21 views

Looking for advice for the following MS SQL Schema

We currently have the following SQL Schema: Projects Budgets BudgetTabs BudgetSections BudgetTasks BudgetTaskDetails ...
1
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1answer
32 views

Proper tree NoSQL structure with focus on full-text searching

I developing an app with tree(folder-file) structure, on which I should perform full-text searches with MongoDB. I did a research on the best tree structure practices and found this great article, but ...
0
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4answers
92 views

Is there an accepted design pattern for storing a few global variables in a NoSQL database?

I'm wanting to create an admin dashboard for my app, and to show new events there. In order to know which events are new, I'll need to store at least one extra datapoint to the server: the last date ...
0
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1answer
51 views

Best way to structure many-to-one allocation of users to projects in NoSQL

I apologise if this is a bit of a stupid or broad question, but I'd like some general feedback please! Say I have this DB structure for users (in Mongo/JS, but really it's all pseudocode- and the IDs ...
2
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1answer
53 views

Architecture: Storing all properties as JsonProperty in NDB?

I am storing the data for my app in Google's NDB, but am confused as to what architecture to use. The app data is mostly text based, but has some non-text properties like DateTimeProperty, ...
1
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1answer
91 views

Database choice [closed]

I am working on a system where I am replacing and existing Cobol system with C#. For the database I have hit some requirement which I am having a hard time to find complete support for (tried SQLite ...
3
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3answers
208 views

Is there a 'standard' SQL that can replace all the various custom versions?

I have been writing SQL for over 10 years now. I am extremely proficient at it and have experience working in SQL Server, Oracle, MySQL, PostgreSQL, etc. While there are multiple standards out there, ...
2
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0answers
105 views

Which type of query do wide column stores optimize

I have some experience with document based stores (MongoDB and CouchDB) and I am interested in exploring wide column databases. Based on my initial exploration I can grasp a basic understanding of ...
1
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1answer
108 views

Automatic denormalization for a NoSQL database application

We have a use case where we store table-like data, but we know about the schema of the data only at runtime. In our application, a power user defines a schema and normal user can create records and ...
2
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1answer
98 views

Is there a better way to update NoSQL records in bulk?

When we started our application we had the choice of going with the traditional MS-SQL normalized database or with a NoSQL database (RavenDB is what we tried out). Here is a simplified version of our ...
3
votes
2answers
180 views

Would these two scenarios be good candidates for a NoSQL database?

I've checked a few other threads around the topic and search around, I am wondering if someone can give me a clear direction as to why should I consider NoSQL and which one (since there are quite a ...
44
votes
4answers
3k views

Is there anything groundbreaking about NoSQL? [closed]

I am a very solid Relational Database guy and understand all the way to 3rd normal form, appreciate the algebraic set theory roots of SQL, and can probably relationalize a broken heart (or not). I ...
1
vote
1answer
66 views

n:m as the only way to store notifications?

I have a user and a notifications table. I want to make sure that every users sees a new notification once and only once. Not more, not less. The intuitive idea is to have a n:m relation table with ...
0
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0answers
78 views

Do aggregate-oriented NoSQL databases have advantages for implementing Real Time BI?

I am reading a book called "NoSQL distilled" by Martin Fowler and he writes: Aggregates can also be used to obtain analytics; for example, an aggregate update may fill in information on which ...
2
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2answers
656 views

How to represent a tree structure in NoSQL

I'm new to NoSQL and have been playing around with a personal project on the MEAN stack (Mongo ExpressJs AngularJs NodeJs). I'm building a document editor of sorts that manages nodes of data. Each ...
0
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0answers
305 views

How to link the data of MongoDB and Neo4j?

I want to implement a system which store the profiles of employee and the resources that they have. There are many types of resources, such as the documents they produced, the techniques they ...
0
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1answer
163 views

MongoDB: Replicate data in documents vs. “join”

Disclaimer: This is a question derived from this one. What do you think about the following example of use case? I have a table containing orders. These orders has a lot of related information ...
2
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0answers
200 views

Is database version control practical? [closed]

The topic of database version control seems to come up at my work and in social discussion more and more often. But the truth is, I haven't met anyone actually DOING it. The only thing Googling the ...
1
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1answer
123 views

options for data analytics for time series store

I'm building an Internet of Things solution that has a number of real time feeds. I need to make a couple of design decisions with regards to the data store and reporting and looking for input. I ...
0
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1answer
193 views

Is NoSQL a better choice when working with OOP? [closed]

This might be a silly question, but I've reading a little bit about NoSQL databases on the past few days and I'm trying to understand when really they help us. One thing I've realized though is that ...
0
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0answers
103 views

Schemaless NoSQL RESTful design?

In a recent project; I used MongoDB with MongoEngine (an ORM/ODM for Python). This allowed me to specify schema in a central "Model". My new project I am hosting on Windows Azure; and there is no ...
0
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1answer
150 views

Dividing database between MySQL and NoSQL

Mine is a typical website developed with LAMP stack. Due to scalability issues we are planning to incorporate NoSQL for the application. For the implementation, we are planning to implement hybrid ...
0
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1answer
121 views

NoSQL design - Storing project assignments

I currently have a planning tool using SQL tables that are sort of setup like this: Date table (Contains dates & indicates if that day is a weekend / holiday etc) Employee (Simple data) Project ...
1
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2answers
226 views

Is eventual consistency a wrong solution for e-commerce applications?

I'm reading about eventual consistency in couchDB. I'm somewhat confused by the term and its consequences on an application. Let's say I'm building a distributed e-commerce website where monetary ...
4
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4answers
303 views

Typed search over complex model. Possible CQRS / NoSQL solution

Given the following relational model: I need to implement a typed search for hotels, which should be able to query on name, city, country, category, hoteltype, roomprice, customtype, room custom ...
2
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0answers
96 views

Would a model like this translate well to a document or graph database?

I'm trying to understand what types of models that I have traditionally persisted relationally would translate well to some kind of NoSQL database. Suppose I have a model with the following ...
10
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7answers
377 views

Nested Entities and calculation on leaf entity property - SQL or NoSQL approach

I am working on a hobby project called Menu/Recipe Management. This is how my entities and their relations look like. A Nutrient has properties Code and Value An Ingredient has a collection of ...
2
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2answers
177 views

Lucene + Joins == RDBMS?

Now that Lucene supports joins (at indexing time and at querying time) can one use Lucene as a databse (a NoSQL one, with Eventual Consistency)? Note: I was pondering on that for sometime and this is ...
1
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4answers
697 views

How to factor out data layer in nopCommerce and replace MS SQL with RavenDB?

I am new to nopCommerce and ecommerce in general but I am involved in an ecommerce project. Now from my past experiences with RavenDB (which mostly were absolutely pleasant) and based on the needs of ...
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4answers
1k views

Is a NoSQL database suitable for me? [closed]

I'm developing a WPF application whose core functionality involves creating a large object graph (often tens of thousands of entities) which the user can modify certain parts of, then save to a ...
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1answer
298 views

Is there any “Set” database? [closed]

Is there any "set" database? For example Neo4j is a "graph" database. What I'm looking for is database which can be used to organize "items" into "sets" and then be able to query them with set ...
0
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1answer
427 views

JSON object and storage of nosql

I have read Would a NoSQL DB be more efficient than a relational DB for storing JSON objects? and am building a small test project in Asp.Net. I have a webapi up in Azure. It returns a ...
10
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1answer
508 views

How much does the data model affect scalability and performance in so called “NoSQL” database?

You can't ever have a talk about so called "NoSQL" database without bringing the CAP theorem (Consistency, Availability, Partition : pick two). If you have to pick say, between MongoDB (Partition, ...
3
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1answer
647 views

Data integrity in NoSQL situations

Background To start off, at work I work with a legacy system that, in its day, was quite spectacular, but now is ...interesting... to work with. It uses IBM (now Rocket) UniVerse as its backing ...
11
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5answers
2k views

At what size of data does it become beneficial to move from SQL to NoSQL?

As a relational database programmer (most of the time), I read articles about how relational databases don't scale, and NoSQL solutions such as MongoDB do. As most of the databases I have developed ...
0
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1answer
132 views

Google Datastore and deep records

I'm in the beginning of creating a website that uses Google Datastore to store information related to clients and I'm curious if the record is too deep for NoSQL or if I'm fine. Essentially I'll be ...
3
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1answer
176 views

What does it mean for an architectural style to be document-centric?

I heard it said that REST is "document-centric". Unclear what this meant, I began poking around and found the term document-oriented being used of databases, particularly NoSQL databases, and in ...
4
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1answer
1k views

What is a good pattern for multi language in MongoDb?

Say I want to build a website that support multiple language and use MongoDB datastore. I wonder what is a good approach to have multiple versions of the body and title of an article, one for each ...
3
votes
2answers
965 views

Why is MongoDb popular with Node.js? [closed]

I've been looking att different web stacks, mainly rails and node.js. One thing that strikes me is that while rails is often used with a relational database Node.js seem to go hand in hand with ...
5
votes
3answers
456 views

Looking for a freeware NoSql key-value database to offload a Java HashMap [closed]

I have a Java HashMap with a String key and POJO value in a long-running application, and it's taking up a large chunk of memory (over 500mb, and this number is expected to grow - I'm guesstimating ...
0
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2answers
219 views

ACID compliant Database that isn't NoSQL? [closed]

I'm not necessarily asking if a NoSQL database can be ACID compliant, which has been asked here: Is there any NoSQL that is ACID compliant? I'm wondering if we have a database either now or in the ...
4
votes
1answer
408 views

Designing a universal database driver class

I have a homebrew MVC framework that I have been using for a while, and it has been working great, but I am planning an upgrade to it for its ORM classes. So far, it only supports SQL databases by ...
2
votes
4answers
727 views

Why NoSQL (Key-Value) storage become popular these days?

It seems that NoSQL concept not something very new and innovative, but these days become very popular. Why it become popular recently but not happen in the time when SQL is very popular?
7
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4answers
10k views

why are noSQL databases more scalable than SQL? [duplicate]

Recently I read a lot about noSQL DBMSs. I understand CAP theorem, ACID rules, BASE rules and the basic theory. But didn't find any resources on why is noSQL scalable more easily than RDBMS (e.g. in ...
4
votes
4answers
1k views

NoSQL and BIG DATA

I am doing an internship on Big Data technologies so I am new to this area. My question is about the use of NoSQL in the Big Data architecture. Do we need always to use a distributed storage (like ...
2
votes
1answer
1k views

How to model hashtags with nodejs and mongodb

Existing architecture: nodejs server with mongodb backend. I have strings coming in describing images that can have #hashtags in them. I wish to extract the hashtags from the strings, store the ...