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DBMS > chDB vs. LeanXcale vs. OpenQM vs. StarRocks

System Properties Comparison chDB vs. LeanXcale vs. OpenQM vs. StarRocks

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Editorial information provided by DB-Engines
NamechDB  Xexclude from comparisonLeanXcale  Xexclude from comparisonOpenQM infoalso called QM  Xexclude from comparisonStarRocks  Xexclude from comparison
DescriptionAn embedded SQL OLAP Engine powered by ClickHouseA highly scalable full ACID SQL database with fast NoSQL data ingestion and GIS capabilitiesQpenQM is a high-performance, self-tuning, multi-value DBMSAn open source, high-performance columnar analytical database that enables real-time, multi-dimensional, and highly concurrent data analytics infoForked from Apache Doris
Primary database modelRelational DBMSKey-value store
Relational DBMS
Multivalue DBMSRelational DBMS
Secondary database modelsTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.00
Rank#383  Overall
#158  Relational DBMS
Score0.29
Rank#291  Overall
#41  Key-value stores
#132  Relational DBMS
Score0.27
Rank#298  Overall
#10  Multivalue DBMS
Score1.04
Rank#189  Overall
#88  Relational DBMS
Websitegithub.com/­chdb-io/­chdbwww.leanxcale.comwww.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-open-qmwww.starrocks.io
Technical documentationdoc.chdb.iodocs.starrocks.io/­en-us/­latest/­introduction/­StarRocks_intro
DeveloperLeanXcaleRocket Software, originally Martin PhillipsThe Linux Foundation infosince Feb 2023
Initial release2023201519932020
Current release3.4-122.5.3, March 2023
License infoCommercial or Open SourceOpen Source infoApache Version 2.0commercialOpen Source infoGPLv2, extended commercial license availableOpen Source infoApache Version 2.0
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++, Java
Server operating systemsserver-lessAIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
Linux
Data schemeyesyes infowith some exceptionsyes
Typing infopredefined data types such as float or dateyes
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.yesno
Secondary indexesyesyes
SQL infoSupport of SQLClose to ANSI SQL (SQL/JSON + extensions)yes infothrough Apache Derbynoyes
APIs and other access methodsJDBC
Kafka Connector
ODBC
proprietary key/value interface
Spark Connector
JDBC
MySQL protocol
Supported programming languagesBun
C
C++
Go
JavaScript (Node.js)
Python
Rust
C
Java
Scala
.Net
Basic
C
Java
Objective C
PHP
Python
Java
Server-side scripts infoStored proceduresyesuser defined functions
Triggersyesno
Partitioning methods infoMethods for storing different data on different nodesyeshorizontal partitioning (by range and hash)
Replication methods infoMethods for redundantly storing data on multiple nodesyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesno
User concepts infoAccess controlAccess rights can be defined down to the item levelRole based access control and fine grained access rights

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More resources
chDBLeanXcaleOpenQM infoalso called QMStarRocks
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