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DBMS > AlaSQL vs. Crux vs. H2 vs. OmniSci

System Properties Comparison AlaSQL vs. Crux vs. H2 vs. OmniSci

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Editorial information provided by DB-Engines
NameAlaSQL  Xexclude from comparisonCrux  Xexclude from comparisonH2  Xexclude from comparisonOmniSci infoFormerly named 'MapD', rebranded to 'OmniSci' in September 2018  Xexclude from comparison
DescriptionJavaScript DBMS libraryCrux is a general purpose database with bitemporal SQL and Datalog and graph queriesFull-featured RDBMS with a small footprint, either embedded into a Java application or used as a database server.A high performance, in-memory, column-oriented RDBMS, designed to run on GPUs
Primary database modelDocument store
Relational DBMS
Document storeRelational DBMSRelational DBMS
Secondary database modelsSpatial DBMSSpatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.64
Rank#219  Overall
#33  Document stores
#108  Relational DBMS
Score0.04
Rank#328  Overall
#44  Document stores
Score9.72
Rank#47  Overall
#30  Relational DBMS
Score1.23
Rank#157  Overall
#76  Relational DBMS
Websitealasql.orggithub.com/­juxt/­crux
opencrux.com
www.h2database.comwww.omnisci.com
Technical documentationgithub.com/­agershun/­alasqlopencrux.com/­reference/­installation.htmlwww.h2database.com/­html/­main.htmldocs.omnisci.com
DeveloperAndrey Gershun & Mathias R. WulffJuxt Ltd.Thomas MuellerMapD Technologies, Inc.
Initial release2014201920052016
Current release1.12.1, September 20201.4.200, October 20195.6, April 2021
License infoCommercial or Open SourceOpen Source infoMIT-LicenseOpen Source infoMIT LicenseOpen Source infodual-licence (Mozilla public license, Eclipse public license)Open Source infoApache Version 2; enterprise edition available
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaScriptClojureJavaC++ and CUDA
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)All OS with a Java 8 (and higher) VM
Linux
All OS with a Java VMLinux
Data schemeschema-freeschema-freeyesyes
Typing infopredefined data types such as float or datenoyes, extensible-data-notation formatyesyes
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 indexesnoyesyesno
SQL infoSupport of SQLClose to SQL99, but no user access control, stored procedures and host language bindings.limited SQL, making use of Apache Calciteyesyes
APIs and other access methodsJavaScript APIHTTP REST
JDBC
JDBC
ODBC
JDBC
ODBC
Thrift
Supported programming languagesJavaScriptClojure
Java
JavaAll languages supporting JDBC/ODBC/Thrift
Python
Server-side scripts infoStored proceduresnonoJava Stored Procedures and User-Defined Functionsno
Triggersyesnoyesno
Partitioning methods infoMethods for storing different data on different nodesnonenonenoneSharding infoRound robin
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyes, each node contains all dataWith clustering: 2 database servers on different computers operate on identical copies of a databaseMulti-source replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infoonly for local storage and DOM-storageACIDACIDno
Concurrency infoSupport for concurrent manipulation of datayesyes, multi-version concurrency control (MVCC)yes
Durability infoSupport for making data persistentyes infoby using IndexedDB, SQL.JS or proprietary FileStorageyes, flexibel persistency by using storage technologies like Apache Kafka, RocksDB or LMDByesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyes
User concepts infoAccess controlnofine grained access rights according to SQL-standardfine grained access rights according to SQL-standard

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More resources
AlaSQLCruxH2OmniSci infoFormerly named 'MapD', rebranded to 'OmniSci' in September 2018
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