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DBMS > Apache Impala vs. JSqlDb vs. LokiJS vs. SingleStore vs. Warp 10

System Properties Comparison Apache Impala vs. JSqlDb vs. LokiJS vs. SingleStore vs. Warp 10

Editorial information provided by DB-Engines
NameApache Impala  Xexclude from comparisonJSqlDb  Xexclude from comparisonLokiJS  Xexclude from comparisonSingleStore infoformer name was MemSQL  Xexclude from comparisonWarp 10  Xexclude from comparison
JSqlDB seems to be discontinued. Therefore it is excluded from the DB-Engines ranking.
DescriptionAnalytic DBMS for HadoopJavaScript Query Language Database, stores JavaScript objects and primitivesIn-memory JavaScript DBMSMySQL wire-compliant distributed RDBMS that combines an in-memory row-oriented and a disc-based column-oriented storage with patented universal storage to handle transactional and analytical workloads in one single table typeTimeSeries DBMS specialized on timestamped geo data based on LevelDB or HBase
Primary database modelRelational DBMSDocument store
Object oriented DBMS
Document storeRelational DBMSTime Series DBMS
Secondary database modelsDocument storeDocument store
Spatial DBMS
Time Series DBMS
Vector DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score10.63
Rank#40  Overall
#24  Relational DBMS
Score0.44
Rank#256  Overall
#40  Document stores
Score4.02
Rank#74  Overall
#39  Relational DBMS
Score0.06
Rank#351  Overall
#35  Time Series DBMS
Websiteimpala.apache.orgjsqldb.org (offline)github.com/­techfort/­LokiJSwww.singlestore.comwww.warp10.io
Technical documentationimpala.apache.org/­impala-docs.htmltechfort.github.io/­LokiJSdocs.singlestore.comwww.warp10.io/­content/­02_Getting_started
DeveloperApache Software Foundation infoApache top-level project, originally developed by ClouderaKonrad von BackstromSingleStore Inc.SenX
Initial release20132018201420132015
Current release4.1.0, June 20220.8, December 20188.5, January 2024
License infoCommercial or Open SourceOpen Source infoApache Version 2Open SourceOpen Sourcecommercial infofree developer edition availableOpen Source infoApache License 2.0
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++JavaScriptC++, GoJava
Server operating systemsLinuxLinux
macOS
Windows
server-less, requires a JavaScript environment (browser, Node.js)Linux info64 bit version requiredLinux
OS X
Windows
Data schemeyesschema-freeschema-freeyesschema-free
Typing infopredefined data types such as float or dateyesnonoyesyes
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.nonononono
Secondary indexesyesnoyes infovia viewsyesno
SQL infoSupport of SQLSQL-like DML and DDL statementsnonoyes infobut no triggers and foreign keysno
APIs and other access methodsJDBC
ODBC
JavaScript APICluster Management API infoas HTTP Rest and CLI
HTTP API
JDBC
MongoDB API
ODBC
HTTP API
Jupyter
WebSocket
Supported programming languagesAll languages supporting JDBC/ODBCJavaScriptJavaScriptBash
C
C#
Java
JavaScript (Node.js)
Python
Server-side scripts infoStored proceduresyes infouser defined functions and integration of map-reducefunctions in JavaScriptView functions in JavaScriptyesyes infoWarpScript
Triggersnonoyesnono
Partitioning methods infoMethods for storing different data on different nodesShardingnonenoneSharding infohash partitioningSharding infobased on HBase
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factornonenoneSource-replica replication infostores two copies of each physical data partition on two separate nodesselectable replication factor infobased on HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsyes infoquery execution via MapReducenoyesno infocan define user-defined aggregate functions for map-reduce-style calculationsno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencynoneImmediate ConsistencyImmediate Consistency infobased on HBase
Foreign keys infoReferential integritynonononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanono infoatomic operations within a single collection possibleACIDno
Concurrency infoSupport for concurrent manipulation of datayesyes, multi-version concurrency control (MVCC)yes
Durability infoSupport for making data persistentyesyes infousing RocksDByes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.yes infoAll updates are persistent, including those to disk-based columnstores and memory-based row stores. Transaction commits are supported via write-ahead log.yes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyesyes
User concepts infoAccess controlAccess rights for users, groups and roles infobased on Apache Sentry and KerberosnoFine grained access control via users, groups and rolesMandatory use of cryptographic tokens, containing fine-grained authorizations

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More resources
Apache ImpalaJSqlDbLokiJSSingleStore infoformer name was MemSQLWarp 10
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