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DBMS > LevelDB vs. MaxDB vs. openGauss vs. ToroDB

System Properties Comparison LevelDB vs. MaxDB vs. openGauss vs. ToroDB

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Editorial information provided by DB-Engines
NameLevelDB  Xexclude from comparisonMaxDB infoformerly named Adabas-D  Xexclude from comparisonopenGauss  Xexclude from comparisonToroDB  Xexclude from comparison
ToroDB seems to be discontinued. Therefore it is excluded from the DB-Engines Ranking.
DescriptionEmbeddable fast key-value storage library that provides an ordered mapping from string keys to string valuesA robust and reliable RDBMS optimized to run all major SAP solutionsAn enterprise-class RDBMS compatible with high-performance, high-availability and high-performance originally developed by HuaweiA MongoDB-compatible JSON document store, built on top of PostgreSQL
Primary database modelKey-value storeRelational DBMSRelational DBMSDocument store
Secondary database modelsDocument store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.25
Rank#115  Overall
#19  Key-value stores
Score2.26
Rank#114  Overall
#55  Relational DBMS
Score1.06
Rank#184  Overall
#84  Relational DBMS
Websitegithub.com/­google/­leveldbmaxdb.sap.comgitee.com/­opengauss
opengauss.org
github.com/­torodb/­server
Technical documentationgithub.com/­google/­leveldb/­blob/­main/­doc/­index.mdmaxdb.sap.com/­documentationdocs.opengauss.org/­en
gitee.com/­opengauss/­docs
DeveloperGoogleSAP, acquired from Software AG (Adabas-D) in 1997Huawei and openGauss community8Kdata
Initial release2011198420192016
Current release1.23, February 20217.9.10.12, February 20243.0, March 2022
License infoCommercial or Open SourceOpen Source infoBSDcommercial infoLimited community edition freeOpen SourceOpen Source infoAGPL-V3
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 languageC++C++C, C++, JavaJava
Server operating systemsIllumos
Linux
OS X
Windows
AIX
HP-UX
Linux
Solaris
Windows
LinuxAll OS with a Java 7 VM
Data schemeschema-freeyesyesschema-free
Typing infopredefined data types such as float or datenoyesyesyes infostring, integer, double, boolean, date, object_id
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.nononono
Secondary indexesnoyesyes
SQL infoSupport of SQLnoyesANSI SQL 2011
APIs and other access methodsADO.NET
JDBC
ODBC
WebDAV
JDBC
ODBC
Supported programming languagesC++
Go
Java info3rd party binding
JavaScript (Node.js) info3rd party binding
Python info3rd party binding
.Net
C#
Java
Perl
PHP
Python
C
C++
Java
Server-side scripts infoStored proceduresnoyesyes
Triggersnoyesyesno
Partitioning methods infoMethods for storing different data on different nodesnonenonehorizontal partitioning (by range, list and hash)Sharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneSource-replica replicationSource-replica replicationSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate ConsistencyEventual Consistency
Immediate Consistency
Foreign keys infoReferential integritynoyesyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyes infowith automatic compression on writesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nono
User concepts infoAccess controlnofine grained access rights according to SQL-standardAccess rights for users, groups and roles according to SQL-standardAccess rights for users and roles

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More resources
LevelDBMaxDB infoformerly named Adabas-DopenGaussToroDB
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