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Non-relational Databases - Coggle Diagram
Non-relational Databases
NoSQL
represents a class of products and a collection of
diverse, and sometimes related, concepts about data storage and manipulation
Aggregate Data Model
Relational DM
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entity has columns, each having a single value
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Aggregate
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well describe how key-value, document,
and column-family databases work
Column-Oriented Stores
Data access is less random and ad-hoc and lookup is as
simple as finding the node in the sequence that holds the data.
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Updates are in-place but often imply adding a newer
version of data to the specific cell rather than in-place overwrites.
HBase is a popular, open-source, sorted ordered columnfamily store that is modeled on the ideas proposed by Google’s Bigtable
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Documented Database
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At a collection level, this allows for putting together a diverse set of documents into a single collection
Document databases allow indexing of documents on the basis of not only its primary identifier but also its properties
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Graph databases
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Edge - The relationship between two entities. This
relationship is represented by a line and has its own properties