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DBMS > GBase vs. LevelDB vs. OpenTSDB vs. Oracle Coherence

System Properties Comparison GBase vs. LevelDB vs. OpenTSDB vs. Oracle Coherence

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Editorial information provided by DB-Engines
NameGBase  Xexclude from comparisonLevelDB  Xexclude from comparisonOpenTSDB  Xexclude from comparisonOracle Coherence  Xexclude from comparison
DescriptionWidely used RDBMS in China, including analytical, transactional, distributed transactional, and cloud-native data warehousing.Embeddable fast key-value storage library that provides an ordered mapping from string keys to string valuesScalable Time Series DBMS based on HBaseOracles in-memory data grid solution
Primary database modelRelational DBMSKey-value storeTime Series DBMSKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.11
Rank#173  Overall
#78  Relational DBMS
Score2.33
Rank#111  Overall
#19  Key-value stores
Score1.59
Rank#140  Overall
#12  Time Series DBMS
Score1.90
Rank#127  Overall
#21  Key-value stores
Websitewww.gbase.cngithub.com/­google/­leveldbopentsdb.netwww.oracle.com/­java/­coherence
Technical documentationgithub.com/­google/­leveldb/­blob/­main/­doc/­index.mdopentsdb.net/­docs/­build/­html/­index.htmldocs.oracle.com/­en/­middleware/­standalone/­coherence
DeveloperGeneral Data Technology Co., Ltd.Googlecurrently maintained by Yahoo and other contributorsOracle
Initial release2004201120112007
Current releaseGBase 8a, GBase 8s, GBase 8c1.23, February 202114.1, August 2023
License infoCommercial or Open SourcecommercialOpen Source infoBSDOpen Source infoLGPLcommercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC, Java, PythonC++JavaJava
Server operating systemsLinuxIllumos
Linux
OS X
Windows
Linux
Windows
All OS with a Java VM
Data schemeyesschema-freeschema-freeschema-free
Typing infopredefined data types such as float or dateyesnonumeric data for metrics, strings for tagsyes
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.yesnonono
Secondary indexesyesnonono
SQL infoSupport of SQLStandard with numerous extensionsnonono
APIs and other access methodsADO.NET
C API
JDBC
ODBC
HTTP API
Telnet API
JCache
JPA
RESTful HTTP API
Supported programming languagesC#C++
Go
Java info3rd party binding
JavaScript (Node.js) info3rd party binding
Python info3rd party binding
Erlang
Go
Java
Python
R
Ruby
.Net
C++
Java
Server-side scripts infoStored proceduresuser defined functionsnonono
Triggersyesnonoyes infoLive Events
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioning (by range, list and hash) and vertical partitioningnoneSharding infobased on HBaseSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyesnoneselectable replication factor infobased on HBaseyes, with selectable consistency level
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency infobased on HBaseEventual Consistency
Immediate Consistency
Foreign keys infoReferential integrityyesnonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnonoconfigurable
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyes infowith automatic compression on writesyesyes infooptionally
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes
User concepts infoAccess controlyesnonoauthentification to access the cache via certificates or http basic authentication

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More resources
GBaseLevelDBOpenTSDBOracle Coherence
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