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Non-Relational Data Bases - Coggle Diagram
Non-Relational Data Bases
NoSQL
Not Only SQL
without a schema
column-oriented storage
to be stored effectively
consuming space when nulls data
Aggregate Data Model
is a collection of related unit objects
No structure!
associative array(hash map)
a set of key/value pairs
hight average algorithm running time
Oracle’s Berkeley DB
key and value are an array of bytes
cached in memory and flushed to disk
EHCache
high-performance object caching
an open-source
Document Databases
a document as a whole
indexing also its properties
Graph Databases
small records with complex interconnections
nodes connected by edges