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DBMS > EJDB vs. Google Search Appliance vs. Percona Server for MySQL vs. RavenDB

System Properties Comparison EJDB vs. Google Search Appliance vs. Percona Server for MySQL vs. RavenDB

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Editorial information provided by DB-Engines
NameEJDB  Xexclude from comparisonGoogle Search Appliance  Xexclude from comparisonPercona Server for MySQL  Xexclude from comparisonRavenDB  Xexclude from comparison
DescriptionEmbeddable document-store database library with JSON representation of queries (in MongoDB style)The Google Search Appliance consists of hardware and software for indexing documents in local networks.Enhanced drop-in replacement for MySQL based on XtraDB or TokuDB storage engines with improved performance and additional diagnostic and management features.Open Source Operational and Transactional Enterprise NoSQL Document Database
Primary database modelDocument storeSearch engineRelational DBMSDocument store
Secondary database modelsGraph DBMS infoexperimental
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.18
Rank#262  Overall
#35  Document stores
Score2.81
Rank#91  Overall
#10  Search engines
Score2.45
Rank#99  Overall
#48  Relational DBMS
Score3.45
Rank#81  Overall
#14  Document stores
Websiteejdb.orgenterprise.google.com/­search/­products/­gsa.htmlwww.percona.com/­software/­mysql-database/­percona-serverravendb.net
Technical documentationgithub.com/­Softmotions/­ejdb/­blob/­master/­README.mdsupport.google.com/­gsawww.percona.com/­downloads/­Percona-Server-LATESTravendb.net/­docs
DeveloperSoftmotionsGooglePerconaHibernating Rhinos
Initial release2012200220082010
Current release8.0.18-9, December 20194.2, May 2019
License infoCommercial or Open SourceOpen Source infoGPLv2commercialOpen Source infoGPL version 2Open Source infoAGPL version 3, commercial license available
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageCC and C++C#
Server operating systemsserver-lessLinuxLinux
macOS
Raspberry Pi
Windows
Data schemeschema-freeyesschema-free
Typing infopredefined data types such as float or dateyes infostring, integer, double, bool, date, object_idyesno
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.noyes
Secondary indexesnoyesyes
SQL infoSupport of SQLnonoyesSQL-like query language (RQL)
APIs and other access methodsin-process shared libraryAdministrative API
Browser interface
HTTP API
ADO.NET
JDBC
ODBC
.NET Client API
Java Client API
Python Client API
RESTful HTTP API
Supported programming languagesActionscript
C
C#
C++
Go
Java
JavaScript (Node.js)
Lua
Objective-C
Pike
Python
Ruby
Ada
C
C#
C++
D
Eiffel
Erlang
Haskell
Java
Objective-C
OCaml
Perl
PHP
Python
Ruby
Scheme
Tcl
.Net
C#
Go
Java
JavaScript (Node.js)
Python
Ruby
Server-side scripts infoStored proceduresnoyesyes
Triggersnoyesyes
Partitioning methods infoMethods for storing different data on different nodesnoneShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneMaster-slave replicationMaster-master replication
Master-slave replication
XtraDB Cluster
Multi-master replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononoyes infoMapReduce functions can be defined in Linq
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integrityno infotypically not needed, however similar functionality with collection joins possiblenoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACID, Cluster-wide transaction available
Concurrency infoSupport for concurrent manipulation of datayes infoRead/Write Lockingyesyesyes
Durability infoSupport for making data persistentyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes
User concepts infoAccess controlnoUser authentication via various security protocolsUsers with fine-grained authorization concept infono user groups or rolesAccess control on document level using the Authorization Bundle

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More resources
EJDBGoogle Search AppliancePercona Server for MySQLRavenDB
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