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DBMS > chDB vs. LevelDB vs. RocksDB

System Properties Comparison chDB vs. LevelDB vs. RocksDB

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Editorial information provided by DB-Engines
NamechDB  Xexclude from comparisonLevelDB  Xexclude from comparisonRocksDB  Xexclude from comparison
DescriptionAn embedded SQL OLAP Engine powered by ClickHouseEmbeddable fast key-value storage library that provides an ordered mapping from string keys to string valuesEmbeddable persistent key-value store optimized for fast storage (flash and RAM)
Primary database modelRelational DBMSKey-value storeKey-value store
Secondary database modelsTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.05
Rank#358  Overall
#152  Relational DBMS
Score2.33
Rank#111  Overall
#19  Key-value stores
Score2.84
Rank#97  Overall
#16  Key-value stores
Websitegithub.com/­chdb-io/­chdbgithub.com/­google/­leveldbrocksdb.org
Technical documentationdoc.chdb.iogithub.com/­google/­leveldb/­blob/­main/­doc/­index.mdgithub.com/­facebook/­rocksdb/­wiki
DeveloperGoogleFacebook, Inc.
Initial release202320112013
Current release1.23, February 20219.4.0, June 2024
License infoCommercial or Open SourceOpen Source infoApache Version 2.0Open Source infoBSDOpen Source infoBSD
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++C++
Server operating systemsserver-lessIllumos
Linux
OS X
Windows
Linux
Data schemeschema-freeschema-free
Typing infopredefined data types such as float or datenono
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 indexesnono
SQL infoSupport of SQLClose to ANSI SQL (SQL/JSON + extensions)nono
APIs and other access methodsC++ API
Java API
Supported programming languagesBun
C
C++
Go
JavaScript (Node.js)
Python
Rust
C++
Go
Java info3rd party binding
JavaScript (Node.js) info3rd party binding
Python info3rd party binding
C
C++
Go
Java
Perl
Python
Ruby
Server-side scripts infoStored proceduresnono
Triggersno
Partitioning methods infoMethods for storing different data on different nodesnonehorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoyes
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyes infowith automatic compression on writesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes
User concepts infoAccess controlnono

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More resources
chDBLevelDBRocksDB
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