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DBMS > Alibaba Cloud TSDB vs. Apache Impala vs. EventStoreDB vs. IBM Db2 warehouse vs. Rockset

System Properties Comparison Alibaba Cloud TSDB vs. Apache Impala vs. EventStoreDB vs. IBM Db2 warehouse vs. Rockset

Editorial information provided by DB-Engines
NameAlibaba Cloud TSDB  Xexclude from comparisonApache Impala  Xexclude from comparisonEventStoreDB  Xexclude from comparisonIBM Db2 warehouse infoformerly named IBM dashDB  Xexclude from comparisonRockset  Xexclude from comparison
DescriptionA stable, reliable, and cost-effective online high-performance time series database serviceAnalytic DBMS for HadoopIndustrial-strength, open-source database solution built from the ground up for event sourcing.Cloud-based data warehousing serviceA scalable, reliable search and analytics service in the cloud, built on RocksDB
Primary database modelTime Series DBMSRelational DBMSEvent StoreRelational DBMSDocument store
Secondary database modelsDocument storeRelational DBMS
Search engine
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.29
Rank#301  Overall
#26  Time Series DBMS
Score12.45
Rank#40  Overall
#24  Relational DBMS
Score1.19
Rank#173  Overall
#1  Event Stores
Score1.37
Rank#160  Overall
#74  Relational DBMS
Score0.82
Rank#212  Overall
#36  Document stores
Websitewww.alibabacloud.com/­product/­hitsdbimpala.apache.orgwww.eventstore.comwww.ibm.com/­products/­db2/­warehouserockset.com
Technical documentationwww.alibabacloud.com/­help/­en/­time-series-database/­latest/­what-is-tsdbimpala.apache.org/­impala-docs.htmldevelopers.eventstore.comdocs.rockset.com
DeveloperAlibabaApache Software Foundation infoApache top-level project, originally developed by ClouderaEvent Store LimitedIBMRockset
Initial release2013201220142019
Current release4.1.0, June 202221.2, February 2021
License infoCommercial or Open SourcecommercialOpen Source infoApache Version 2Open Sourcecommercialcommercial
Cloud-based only infoOnly available as a cloud serviceyesnonoyesyes
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++C++
Server operating systemshostedLinuxLinux
Windows
hostedhosted
Data schemeschema-freeyesyesschema-free
Typing infopredefined data types such as float or dateNumeric data and Stringsyesyesdynamic typing
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.nonono infoImport/export of XML data possibleno infoingestion from XML files supported
Secondary indexesnoyesyesall fields are automatically indexed
SQL infoSupport of SQLnoSQL-like DML and DDL statementsyesRead-only SQL queries, including JOINs
APIs and other access methodsHTTP RESTJDBC
ODBC
.NET Client API
JDBC
ODBC
OLE DB
HTTP REST
Supported programming languagesJavaAll languages supporting JDBC/ODBCJava
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
Go
Java
JavaScript (Node.js)
Python
Server-side scripts infoStored proceduresnoyes infouser defined functions and integration of map-reducePL/SQL, SQL PLno
Triggersnonoyesno
Partitioning methods infoMethods for storing different data on different nodesShardingShardingAutomatic sharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factoryesyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyes infoquery execution via MapReducenono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual ConsistencyImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integritynonoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonoACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyes
User concepts infoAccess controlAccess managed on TSDB instance levelAccess rights for users, groups and roles infobased on Apache Sentry and Kerberosfine grained access rights according to SQL-standardAccess rights for users and organizations can be defined via Rockset console

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More resources
Alibaba Cloud TSDBApache ImpalaEventStoreDBIBM Db2 warehouse infoformerly named IBM dashDBRockset
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