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DBMS > Alibaba Cloud ApsaraDB for PolarDB vs. CockroachDB vs. Datomic vs. RocksDB vs. SAP SQL Anywhere

System Properties Comparison Alibaba Cloud ApsaraDB for PolarDB vs. CockroachDB vs. Datomic vs. RocksDB vs. SAP SQL Anywhere

Editorial information provided by DB-Engines
NameAlibaba Cloud ApsaraDB for PolarDB  Xexclude from comparisonCockroachDB  Xexclude from comparisonDatomic  Xexclude from comparisonRocksDB  Xexclude from comparisonSAP SQL Anywhere infoformerly called Adaptive Server Anywhere  Xexclude from comparison
DescriptionA cloud-native relational database compatible with MySQL, PostgreSQL, and Oracle. Designed for business critical applications.CockroachDB 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.Datomic builds on immutable values, supports point-in-time queries and uses 3rd party systems for durabilityEmbeddable persistent key-value store optimized for fast storage (flash and RAM)RDBMS database and synchronization technologies for server, desktop, remote office, and mobile environments
Primary database modelRelational DBMSRelational DBMSRelational DBMSKey-value storeRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.69
Rank#211  Overall
#104  Relational DBMS
Score6.73
Rank#59  Overall
#32  Relational DBMS
Score1.84
Rank#125  Overall
#61  Relational DBMS
Score3.73
Rank#88  Overall
#14  Key-value stores
Score5.83
Rank#62  Overall
#34  Relational DBMS
Websitewww.alibabacloud.com/­product/­polardbwww.cockroachlabs.comwww.datomic.comrocksdb.orgwww.sap.com/­products/­sql-anywhere.html
Technical documentationwww.alibabacloud.com/­help/­doc-detail/­58764.htmwww.cockroachlabs.com/­docsdocs.datomic.comgithub.com/­facebook/­rocksdb/­wikihelp.sap.com/­sql-anywhere
DeveloperAlibabaCockroach LabsCognitectFacebook, Inc.SAP infoformerly Sybase
Initial release2015201220131992
Current release21.1.2, June 20210.9.5951, July 20196.22.1, July 202117, July 2015
License infoCommercial or Open SourcecommercialOpen Source infoApache 2.0, commercial license availablecommercial infolimited edition freeOpen Source infoBSDcommercial
Cloud-based only infoOnly available as a cloud serviceyesnononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
CockroachCloud: Get your applications to market faster with a fully managed CockroachDB instance. Leave the daily maintenance, security, and operations of your database to us, and spend more time building apps and running your business.
Implementation languageGoJava, ClojureC++
Server operating systemshostedLinux
macOS
Windows
All OS with a Java VMAIX
HP-UX
Linux
OS X
Solaris
Windows
Data schemeyesdynamic schemayesschema-freeyes
Typing infopredefined data types such as float or dateyesyesyesnoyes
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.yesnononoyes
Secondary indexesyesyesyesnoyes
SQL infoSupport of SQLyesyes, wire compatible with PostgreSQLnonoyes
APIs and other access methodsJDBC
ODBC
JDBCRESTful HTTP APIC++ API
Java API
ADO.NET
HTTP API
JDBC
ODBC
Supported programming languagesJava
Python
C#
C++
Clojure
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby
Rust
Clojure
Java
C++
Java
C
C#
C++
Delphi
Java
JavaScript (Node.js)
Perl
PHP
Python
Ruby
Server-side scripts infoStored proceduresyesnoyes infoTransaction Functionsnoyes, in C/C++, Java, .Net or Perl
TriggersyesnoBy using transaction functionsnoyes
Partitioning methods infoMethods for storing different data on different nodesSharding 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 RAFTnone infoBut extensive use of caching in the application peersnonenone
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoImplicit feature of the cloud serviceMulti-source replication using RAFTnone infoBut extensive use of caching in the application peersnoneSource-replica replication infoDatabase mirroring
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesyesnonoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACIDyesACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyesyesyes infousing external storage systems (e.g. Cassandra, DynamoDB, PostgreSQL, Couchbase and others)yesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnoyes inforecommended only for testing and developmentyesyes
User concepts infoAccess controlfine grained access rights according to SQL-standardRole-based access controlnonofine grained access rights according to SQL-standard
More information provided by the system vendor
Alibaba Cloud ApsaraDB for PolarDBCockroachDBDatomicRocksDBSAP SQL Anywhere infoformerly called Adaptive Server Anywhere
Specific characteristicsApsaraDB for PolarDB is a cloud-native relational database 100% compatible with MySQL...
» more
CockroachDB is a cloud-native, distributed SQL database architected for modern applications....
» more
Competitive advantagesWebinar: Top Scientists Live: Tech Secrets to Double 11's Success Revealed. White...
» more
- EFFORTLESS SCALE: Scale your applications, not operational complexity. CockroachDB...
» more
Typical application scenariosCreating a Robust Cloud-Based Database for Fintech, E-Commerce and Gaming. Learn...
» more
System of record (financial ledger, inventory management, transaction record), identity...
» more
Key customersComcast, eBay, DoorDash, Mythical Games, Norfolk Southern, LUSH, Bose, Shipt, MyDoc,...
» more
Market metrics8K+ long-running clusters 1.2K+ CockroachDB Enterprise clusters 4K+ CockroachCloud...
» more
Licensing and pricing modelsSpecification and pricing. You can use either of the following billing methods to...
» more
- Apache 2.0 for core features released up to and including the 19.1 release - Time-limited...
» more

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More resources
Alibaba Cloud ApsaraDB for PolarDBCockroachDBDatomicRocksDBSAP SQL Anywhere infoformerly called Adaptive Server Anywhere
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