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 …
2010年9月15日 · 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":
NoSql and Data-Warehouse - Stack Overflow
2010年4月21日 · 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.
Is PostgreSQL a NoSQL database? - Stack Overflow
2019年4月19日 · "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 database management systems (RDBMS).
Transactions in NoSQL? - Stack Overflow
2010年2月6日 · 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
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 ...
What is the difference between a Relational and Non-Relational …
Since we're obviously the generation that has had a relational upbringing, if you look at NoSQL database models from the perspective of the relational model, again in layman's terms, the first obvious difference is that no assumptions about the number of values a …
How do you handle relations in a NoSQL database?
2011年2月14日 · 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
Equivalent of ERD for MongoDB? - Stack Overflow
2011年5月15日 · And I came to the following conclusion: If NoSQL databases are generally schemaless, you don't actually have a 'schema' to illustrate in a diagram. Thus, I think you should take a "by example" approach. You could draw some mindmaps exemplifying how your data would look like when stored in a NoSQL DB such as MongoDB.
Lightweight Javascript DB for use in Node.js - Stack Overflow
2011年8月29日 · In-Browser NoSQL db with syncing and persisting; a Redis-style store an npm install away; Persistable NoSQL db for Cordova; Embeddable NoSQL db with Persistence for node-webkit; LokiJS to be the ideal solution: Mobile applications - especially HTML5 based (Cordova, Phonegap, etc.) Node.js embedded datastore for small-to-medium apps