Databases that propose alternative solution to SQL (Relational) Database which can be document oriented, key/value, graph, objects,...

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88
votes
8answers
56k views

When would someone use MongoDB (or similar) over a Relational DBMS?

Im a bit confused......the whole NoSQL and such. When would you choose to use something like MongoDB over something like Oracle or MYSQL? I dont really understand....the "difference" as far as usage ...
142
votes
13answers
79k views

Why use a database instead of just saving your data to disk?

Instead of a database I just serialize my data to JSON, saving and loading it to disk when necessary. All the data management is made on the program itself, which is faster AND easier than using SQL ...
8
votes
6answers
9k views

Is MongoDB the right choice in my case? [closed]

I'm going to build my first real project in Rails that consist in a web app made of 3 main parts: The static part where no database is used The User registration part which will require a database ...
12
votes
2answers
7k views

Why NoSQL over SQL? [duplicate]

Possible Duplicate: When would someone use MongoDB (or similar) over traditional RDMS? How well the SQL and NoSQL go head-to-head. I read somewhere that SQL databases are not well for data ...
10
votes
4answers
4k views

Weaknesses with different types of NoSQL databases

Here's my question: What are the weaknesses with different types of NoSQL databases? Specifically, what're the weaknesses of key-value stores, graph data stores and document stores? I've had an easy ...
10
votes
5answers
3k views

Writing Web “server less” applications [duplicate]

TL;DR What are the prospects of writing applications which are completely based on a REST database server (CouchDB) and web applications which directly access the DB instead of having a web server in ...
13
votes
3answers
7k views

Document Database versus Relational Database : how to choose?

I'm a SQL guy, but I know there is Not Only SQL databases - document-database mostly. As with most technologies there are pro and cons for each technology. I've read some articles, but they were too ...
5
votes
2answers
3k views

Would a NoSQL DB be more efficient than a relational DB for storing JSON objects?

I am using a library that returns a JSON object (as a string, but I think that's standard), and I would like to store the contents of this object into a local database. I'm fairly fresh-faced in ...
3
votes
2answers
3k views

Why is NoSQL better for this scenario?

Hypothetical scenario: Let's say we are downloading JSON from Facebook with details of a user's friend's checkins, posts, etc... These come in as one document per friend per activity, so with 8 ...
0
votes
4answers
2k 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 ...
4
votes
2answers
198 views

When and how much should we validate input when working with (C)AP storage?

Herein, we consider a server-client architecture. Suppose we keep the details flexible, but there's more than one layer of servers supporting our hypothetical service. The general question is "When ...
3
votes
1answer
687 views

How would one build a relational database on a key-value store, a-la Berkeley DB's SQL interface?

I've been checking out Berkeley DB and was impressed to find that it supported a SQL interface that is "nearly identical" to SQLite. http://docs.oracle.com/cd/E17076_02/html/bdb-sql/dbsqlbasics.html#...
3
votes
3answers
173 views

When dealing with tens of billions of rows in a web app table, would a NoSQL database be noticeably faster than a relational one? [closed]

I'm currently designing a conceptual web app, where users can submit posts, comments, and "like"/"dislike" both of those. However, I am not sure of how to store the (dis)likes, because of how many ...