NoSQL

What is NoSQL? SQL databases have constraints on data types and consistency. NoSQL does away with them for the sake of speed, flexibility, and scale NoSQL vs. SQL The fundamental difference between SQL andNoSQL is not all that complicated. Each has adifferent philosophy for how data should bestored and retrieved.  What is NoSQL? ขั้นตอนการใช้งาน NoSQL is a term used to describe high- performance, non-relational databases.1. ดาวโหลด HP Reveal NoSQL databases utilize a variety of data models, including document,2. สแกน QR Code graph, key-value, and columnar. NoSQL databases are widely recognized for ease of development, scalable performance, high availability, and resilience. Below are several resources to help you get started using NoSQL databases.  3. สอ่ งรปู ภาพท่มี ี สญั ลกั ษณ์

Look At Here The objective of this book is to learn and understand new genaration of Database called NoSQL 

Type of NoSQL DOCUMENT DATABASES COLUMN Document databases (e.g. CouchDB, Wide column stores (e.g. HBase,MongoDB). Inserted data is stored in the Cassandra). Data is stored in columnsform of free-form JSON structures or instead of rows as in a conventional SQL“documents,” where the data could be system. Any number of columns (andanything from integers to strings to therefore many different types of data)freeform text. There is no inherent need to can be grouped or aggregated as neededspecify what fields, if any, a document will for queries or data views. contain. GRAPH DATABASES KEY-VALUE Graph databases (e.g. Neo4j). Data is Key-value stores (e.g. Redis, Riak). Free-represented as a network or graph of form values—from simple integers orentities and their relationships, with strings to complex JSON documents—areeach node in the graph a free-form accessed in the database by way of keys. chunk of data.