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DBMS > EJDB vs. Graphite vs. HyperSQL vs. Hypertable

System Properties Comparison EJDB vs. Graphite vs. HyperSQL vs. Hypertable

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Editorial information provided by DB-Engines
NameEJDB  Xexclude from comparisonGraphite  Xexclude from comparisonHyperSQL infoalso known as HSQLDB  Xexclude from comparisonHypertable  Xexclude from comparison
Hypertable has stopped its further development with March 2016 and is removed from the DB-Engines ranking.
DescriptionEmbeddable document-store database library with JSON representation of queries (in MongoDB style)Data logging and graphing tool for time series data infoThe storage layer (fixed size database) is called WhisperMultithreaded, transactional RDBMS written in Java infoalso known as HSQLDBAn open source BigTable implementation based on distributed file systems such as Hadoop
Primary database modelDocument storeTime Series DBMSRelational DBMSWide column store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.27
Rank#297  Overall
#44  Document stores
Score4.57
Rank#73  Overall
#5  Time Series DBMS
Score3.49
Rank#87  Overall
#47  Relational DBMS
Websitegithub.com/­Softmotions/­ejdbgithub.com/­graphite-project/­graphite-webhsqldb.org
Technical documentationgithub.com/­Softmotions/­ejdb/­blob/­master/­README.mdgraphite.readthedocs.iohsqldb.org/­web/­hsqlDocsFrame.html
DeveloperSoftmotionsChris DavisHypertable Inc.
Initial release2012200620012009
Current release2.7.2, June 20230.9.8.11, March 2016
License infoCommercial or Open SourceOpen Source infoGPLv2Open Source infoApache 2.0Open Source infobased on BSD licenseOpen Source infoGNU version 3. Commercial license available
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageCPythonJavaC++
Server operating systemsserver-lessLinux
Unix
All OS with a Java VM infoEmbedded (into Java applications) and Client-Server operating modesLinux
OS X
Windows infoan inofficial Windows port is available
Data schemeschema-freeyesyesschema-free
Typing infopredefined data types such as float or dateyes infostring, integer, double, bool, date, object_idNumeric data onlyyesno
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.nono
Secondary indexesnonoyesrestricted infoonly exact value or prefix value scans
SQL infoSupport of SQLnonoyesno
APIs and other access methodsin-process shared libraryHTTP API
Sockets
HTTP API infoJDBC via HTTP
JDBC
ODBC
C++ API
Thrift
Supported programming languagesActionscript
C
C#
C++
Go
Java
JavaScript (Node.js)
Lua
Objective-C
Pike
Python
Ruby
JavaScript (Node.js)
Python
All languages supporting JDBC/ODBC
Java
C++
Java
Perl
PHP
Python
Ruby
Server-side scripts infoStored proceduresnonoJava, SQLno
Triggersnonoyesno
Partitioning methods infoMethods for storing different data on different nodesnonenonenoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnonenonenoneselectable replication factor on file system level
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneImmediate ConsistencyImmediate 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 datanonoACIDno
Concurrency infoSupport for concurrent manipulation of datayes infoRead/Write Lockingyes infolockingyesyes
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.yes
User concepts infoAccess controlnonofine grained access rights according to SQL-standardno

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More resources
EJDBGraphiteHyperSQL infoalso known as HSQLDBHypertable
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