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DBMS > LevelDB vs. OpenTSDB vs. Oracle vs. SurrealDB vs. Tkrzw

System Properties Comparison LevelDB vs. OpenTSDB vs. Oracle vs. SurrealDB vs. Tkrzw

Editorial information provided by DB-Engines
NameLevelDB  Xexclude from comparisonOpenTSDB  Xexclude from comparisonOracle  Xexclude from comparisonSurrealDB  Xexclude from comparisonTkrzw infoSuccessor of Tokyo Cabinet and Kyoto Cabinet  Xexclude from comparison
DescriptionEmbeddable fast key-value storage library that provides an ordered mapping from string keys to string valuesScalable Time Series DBMS based on HBaseWidely used RDBMSA fully ACID transactional, developer-friendly, multi-model DBMSA concept of libraries, allowing an application program to store and query key-value pairs in a file. Successor of Tokyo Cabinet and Kyoto Cabinet
Primary database modelKey-value storeTime Series DBMSRelational DBMSDocument store
Graph DBMS
Key-value store
Secondary database modelsDocument store
Graph DBMS infowith Oracle Spatial and Graph
RDF store infowith Oracle Spatial and Graph
Spatial DBMS infowith Oracle Spatial and Graph
Vector DBMS infosince Oracle 23
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.35
Rank#111  Overall
#19  Key-value stores
Score1.68
Rank#146  Overall
#12  Time Series DBMS
Score1236.29
Rank#1  Overall
#1  Relational DBMS
Score0.86
Rank#203  Overall
#34  Document stores
#18  Graph DBMS
Score0.00
Rank#383  Overall
#60  Key-value stores
Websitegithub.com/­google/­leveldbopentsdb.netwww.oracle.com/­databasesurrealdb.comdbmx.net/­tkrzw
Technical documentationgithub.com/­google/­leveldb/­blob/­main/­doc/­index.mdopentsdb.net/­docs/­build/­html/­index.htmldocs.oracle.com/­en/­databasesurrealdb.com/­docs
DeveloperGooglecurrently maintained by Yahoo and other contributorsOracleSurrealDB LtdMikio Hirabayashi
Initial release20112011198020222020
Current release1.23, February 202123c, September 2023v1.5.0, May 20240.9.3, August 2020
License infoCommercial or Open SourceOpen Source infoBSDOpen Source infoLGPLcommercial inforestricted free version is availableOpen SourceOpen Source infoApache Version 2.0
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++JavaC and C++RustC++
Server operating systemsIllumos
Linux
OS X
Windows
Linux
Windows
AIX
HP-UX
Linux
OS X
Solaris
Windows
z/OS
Linux
macOS
Windows
Linux
macOS
Data schemeschema-freeschema-freeyes infoSchemaless in JSON and XML columnsschema-freeschema-free
Typing infopredefined data types such as float or datenonumeric data for metrics, strings for tagsyesyesno
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.nonoyesno
Secondary indexesnonoyes
SQL infoSupport of SQLnonoyes infowith proprietary extensionsSQL-like query languageno
APIs and other access methodsHTTP API
Telnet API
JDBC
ODBC
ODP.NET
Oracle Call Interface (OCI)
GraphQL
RESTful HTTP API
WebSocket
Supported programming languagesC++
Go
Java info3rd party binding
JavaScript (Node.js) info3rd party binding
Python info3rd party binding
Erlang
Go
Java
Python
R
Ruby
C
C#
C++
Clojure
Cobol
Delphi
Eiffel
Erlang
Fortran
Groovy
Haskell
Java
JavaScript
Lisp
Objective C
OCaml
Perl
PHP
Python
R
Ruby
Scala
Tcl
Visual Basic
Deno
Go
JavaScript (Node.js)
Rust
C++
Java
Python
Ruby
Server-side scripts infoStored proceduresnonoPL/SQL infoalso stored procedures in Java possibleno
Triggersnonoyesno
Partitioning methods infoMethods for storing different data on different nodesnoneSharding infobased on HBaseSharding, horizontal partitioningnone
Replication methods infoMethods for redundantly storing data on multiple nodesnoneselectable replication factor infobased on HBaseMulti-source replication
Source-replica replication
none
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono infocan be realized in PL/SQLnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency infobased on HBaseImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonoACID infoisolation level can be parameterizedACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyes infowith automatic compression on writesyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes infoVersion 12c introduced the new option 'Oracle Database In-Memory'yes infousing specific database classes
User concepts infoAccess controlnonofine grained access rights according to SQL-standardyes, based on authentication and database rulesno

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More resources
LevelDBOpenTSDBOracleSurrealDBTkrzw infoSuccessor of Tokyo Cabinet and Kyoto Cabinet
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