What is NoSQL, how does it work, and what benefits does it provide?
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 …
Why NoSQL is better at "scaling out" than RDBMS?
NoSQL solutions usually offer record-level atomicity, but cannot guarantee a series of operations will succeed (transaction). It comes down to: to keep data integrity and support transactions, a …
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, …
Do NoSQL databases use or need indexes? - Stack Overflow
2012年4月10日 · NoSQL is, however, too fragmented to give a definite "yes, all NoSQL systems need indexes", I believe. Most systems require and provide indexes but not at level most SQL …
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 …
How do you track record relations in NoSQL? - Stack Overflow
In NoSQL, you don't design your database based on the relationships between data entities. You design your database based on the queries you will run against it. Use the same criteria you …
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 …
Modeling Tool for NOSQL Databases - Stack Overflow
I know that most of the time NOSQL databses are schema-less or at least have a flexible database schema. However, the basic schema needs to be modeled beforehand and may …
nosql - Using $not in mongodb - Stack Overflow
2012年1月17日 · nosql; Share. Improve this question. Follow edited Sep 22, 2017 at 18:01. Community Bot. 1 1 1 silver ...
nosql - Is there a query language for JSON? - Stack Overflow
2009年4月22日 · EDIT Sept 2022: JMESPath seems to be the most widely-used, fastest-growing, and best-reviewed of alternatives for this.