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NON-RELATIONAL DATA BASES - Coggle Diagram
NON-RELATIONAL DATA BASES
What Is NoSQL
schemaless
not using the
relational model
running well on
clusters
open-source
all databases and data stores that don’t follow the popular
and well-established RDBMS principles and often relate to
large data sets accessed and manipulated on a Web scale.
Aggregate
document
column-family
key-value
graph
a collection of related objects that we
wish to treat as a unit
Column-Oriented Stores
stores each column continuously
data is inserted at the end
data access is less random
Database Vendors
MonetDB
C-Store
Teradata
Sybase IQ
Key/Value Stores
an associative array
data is a set
of key/value pairs
Database Vendors
Oracle’s Berkeley DB
EHCache
Amazon’s Dynamo
Memcached
Documented Databases
more complex than key/value store
specifies a document structure with a schema
indexing of documents on the basis of its properties
Database Vendors
CouchDB
MongoDB
Graph Databases
small records with complex
interconnections
Components
Node
the entities themselves
Edge
the relationship between two entities
can have a direction