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DBMS > Google Cloud Datastore

Google Cloud Datastore System Properties

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Editorial information provided by DB-Engines
NameGoogle Cloud Datastore
DescriptionAutomatically scaling NoSQL Database as a Service (DBaaS) on the Google Cloud Platform
Database modelDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.90
Rank#61  Overall
#11  Document stores
Websitecloud.google.com/­datastore
Technical documentationcloud.google.com/­datastore/­docs
DeveloperGoogle
Initial release2008
License infoCommercial or Open Sourcecommercial
Cloud-based infoOnly available as a cloud serviceyes
Server operating systemshosted
Data schemeschema-free
Typing infopredefined data types such as float or dateyes, details here
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.no
Secondary indexesyes
SQL infoSupport of (almost entire) SQL standard (DML, DDL and DCL statements)no infoGQL, a SQL-like query language is supported
APIs and other access methodsgRPC (using protocol buffers) API
RESTful HTTP/JSON API
Supported programming languages.Net
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby
Server-side scripts infoStored proceduresusing Google App Engine
TriggersCallbacks using the Google Apps Engine
Partitioning methods infoMethods for storing different data on different nodesSharding
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-Master replication using Paxos
MapReduce infoOffers an API for user-defined Map/Reduce methodsyes infousing Google Cloud Dataflow
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency or Eventual Consistency depending on type of query and configuration infoStrong Consistency is default for entity lookups and queries within an Entity Group (but can instead be made eventually consistent). Other queries are always eventual consistent.
Foreign keys infoReferential integrityyes infovia ReferenceProperties or Ancestor paths
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID infoSerializable Isolation within Transactions, Read Committed outside of Transactions
Concurrency infoSupport for concurrent manipulation of datayes
Durability infoSupport for making data persistentyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.no
User concepts infoAccess controlno

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More resources
Google Cloud Datastore
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