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DBMS > Alibaba Cloud PolarDB vs. Alibaba Cloud Table Store vs. CockroachDB vs. Oracle Rdb

System Properties Comparison Alibaba Cloud PolarDB vs. Alibaba Cloud Table Store vs. CockroachDB vs. Oracle Rdb

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Editorial information provided by DB-Engines
NameAlibaba Cloud PolarDB  Xexclude from comparisonAlibaba Cloud Table Store  Xexclude from comparisonCockroachDB  Xexclude from comparisonOracle Rdb  Xexclude from comparison
DescriptionA cloud-native relational database compatible with MySQL, PostgreSQL, and Oracle. Designed for business critical applications.A fully managed Wide Column Store for large quantities of semi-structured data with real-time accessCockroachDB is a distributed database architected for modern cloud applications. It is wire compatible with PostgreSQL and backed by a Key-Value Store, which is either RocksDB or a purpose-built derivative, called Pebble.
Primary database modelRelational DBMSWide column storeRelational DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.82
Rank#205  Overall
#97  Relational DBMS
Score0.25
Rank#294  Overall
#12  Wide column stores
Score4.74
Rank#67  Overall
#36  Relational DBMS
Score1.04
Rank#184  Overall
#84  Relational DBMS
Websitewww.alibabacloud.com/­product/­polardbwww.alibabacloud.com/­product/­table-storewww.cockroachlabs.comwww.oracle.com/­database/­technologies/­related/­rdb.html
Technical documentationwww.alibabacloud.com/­help/­en/­polardb/­product-overviewwww.alibabacloud.com/­help/­en/­tablestorewww.cockroachlabs.com/­docswww.oracle.com/­database/­technologies/­related/­rdb-doc.html
DeveloperAlibabaAlibabaCockroach LabsOracle, originally developed by Digital Equipment Corporation (DEC)
Initial release201620151984
Current release24.1.0, May 20247.4.1.1, 2021
License infoCommercial or Open SourcecommercialcommercialOpen Source infoApache 2.0, commercial license availablecommercial
Cloud-based only infoOnly available as a cloud serviceyesyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageGo
Server operating systemshostedhostedLinux
macOS
Windows
HP Open VMS
Data schemeyesschema-freedynamic schemaFlexible Schema (defined schema, partial schema, schema free)
Typing infopredefined data types such as float or dateyesyesyesyes
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.yesnonono
Secondary indexesyesnoyesyes
SQL infoSupport of SQLyesnoyes, wire compatible with PostgreSQLyes
APIs and other access methodsJDBC
ODBC
HTTP APIJDBC
Supported programming languagesJava
Python
Java
Python
C#
C++
Clojure
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby
Rust
Server-side scripts infoStored proceduresyesnono
Triggersyesnono
Partitioning methods infoMethods for storing different data on different nodesSharding infoImplicit feature of the cloud serviceSharding infoImplicit feature of the cloud servicehorizontal partitioning (by key range) infoall tables are translated to an ordered KV store and then broken down into 64MB ranges, which are then used as replicas in RAFT
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoImplicit feature of the cloud serviceyes infoImplicit feature of the cloud serviceMulti-source replication using RAFT
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnoyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDAtomic single-row operationsACIDyes, on a single node
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.yesnonono
User concepts infoAccess controlfine grained access rights according to SQL-standardAccess rights based on subaccounts and tokensRole-based access control
More information provided by the system vendor
Alibaba Cloud PolarDBAlibaba Cloud Table StoreCockroachDBOracle Rdb
Specific characteristicsPolarDB, previously ApsaraDB for PolarDB, is a cloud-native relational database designed...
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Competitive advantagesWebinar: Top Scientists Live: Tech Secrets to Double 11's Success Revealed. White...
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Typical application scenariosCreating a Robust Cloud-Based Database for Fintech, E-Commerce and Gaming. Learn...
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Licensing and pricing modelsSpecification and pricing. You can use either of the following billing methods to...
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Alibaba Cloud PolarDBAlibaba Cloud Table StoreCockroachDBOracle Rdb
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