database - What is NoSQL, how does it work, and what benefits …
NoSQL database systems are often highly optimized for retrieval and appending operations and often offer little functionality beyond record storage (e.g. key-value stores). The reduced run-time flexibility compared to full SQL systems is compensated by marked gains in scalability and performance for certain data models.
mongodb - When should I use a NoSQL database instead of a …
Sep 15, 2010 · NoSQL is a database system where data is organized into the document (MongoDB), key-value pair (MemCache, Redis), and graph structure form(Neo4J). Maybe there are possible questions and answer for "When to go for NoSQL":
Transactions in NoSQL? - Stack Overflow
Feb 6, 2010 · You can always use a NoSQL approach in a SQL DB. NoSQL seems to generally use "key/value data stores": you can always implement this in your preferred RDBMS and hence keep the good stuff like transactions, ACID properties, support from your friendly DBA, etc, while realising the NoSQL performance and flexibility benefits, e.g. via a table such as
Is PostgreSQL a NoSQL database? - Stack Overflow
Apr 19, 2019 · You have been confused by marketing and buzzwords. "NoSQL" is a buzzword describing a diverse collection of database systems that focus on "semi-structured" data (that do not fit well into a tabular representation), sharding, and high concurrency at the expense of transactional integrity and consistency, the latter being among the basic tenets of relational …
Why NoSQL is better at "scaling out" than RDBMS?
I have read the following text in a technical blog discussing the advantages and disadvantages of NoSQL: "For years, in order to improve performance on database servers, database administrators have had to buy bigger servers as the database load increases (scaling up) instead of distributing the database across multiple “hosts” as the load increases (scaling out).
How do you track record relations in NoSQL? - Stack Overflow
Well in a relational database the normal thing to do would be in a one-to-many relation is to normalize the data. That is the same thing you would do in a NoSQL database as well. Simply index the fields which you will be fetching the information with. For example, the important indexes for you are. Comment.UserID; Comment.PageID; Comment ...
How to Draw UML Diagram for NoSql Like MongoDB? [duplicate]
NoSQL databases approach modelling from a different point of view generally. NoSQL modelling usually begins with asking questions on how the data in the database is going to be queried, so the main modelling is 'what are the list of questions that I want to ask of my database', whereas with SQL databases, modelling usually is a function of what ...
mongodb - NoSql Referential Data - Stack Overflow
I suppose CouchDB is a NoSQL database, if you say so. But really, we have general-purpose programming languages, and domain-specific languages. Similarly, CouchDB is a domain-specific database. I use CouchDB a lot but I really don't care whether it uses SQL or NoSQL. CouchDB is valuable (to me) because the API is 100% HTTP, JSON, and Javascript.
How do you handle relations in a NoSQL database?
Feb 14, 2011 · Apparently the key-value NoSQL databases are supposed to be used along side normal RDBMS (or Mongo/Cassandra) to provide simple file/text/blob storage which might out-grow a normal SQL database. – Xeoncross
NoSql and Data-Warehouse - Stack Overflow
Apr 21, 2010 · Data warehouse uses relational database while NoSql use non relational database. NoSql database are faster than data warehouse. We use SQL in data warehouse but we need not require SQL for manipulating data in NoSql. Data warehouse consists of dimension and fact while NoSql are consist limited schema.