DBMS > IBM Db2 warehouse vs. Percona Server for MongoDB
System Properties Comparison IBM Db2 warehouse vs. Percona Server for MongoDB
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|Editorial information provided by DB-Engines|
|Name||IBM Db2 warehouse formerly named IBM dashDB Xexclude from comparison||Percona Server for MongoDB Xexclude from comparison|
|Description||Cloud-based data warehousing service||A drop-in replacement for MongoDB Community Edition with enterprise-grade features.|
|Primary database model||Relational DBMS||Document store|
|Current release||3.4.10-2.10, November 2017|
|License Commercial or Open Source||commercial||Open Source GPL Version 2|
|Cloud-based only Only available as a cloud service||yes||no|
|DBaaS offerings (sponsored links) Database as a Service|
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|Server operating systems||hosted||Linux|
|Typing predefined data types such as float or date||yes||yes|
|XML support Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.||no Import/export of XML data possible||no|
|SQL Support of SQL||yes||no|
|APIs and other access methods||.NET Client API|
|proprietary protocol using JSON|
|Supported programming languages||Java|
|Partitioning methods Methods for storing different data on different nodes||Sharding||Sharding|
|Replication methods Methods for redundantly storing data on multiple nodes||yes||Source-replica replication|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||yes|
|Consistency concepts Methods to ensure consistency in a distributed system||Immediate Consistency||Eventual Consistency|
|Foreign keys Referential integrity||yes||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID||no|
|Concurrency Support for concurrent manipulation of data||yes||yes|
|Durability Support for making data persistent||yes||yes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||yes||yes via In-Memory Engine|
|User concepts Access control||fine grained access rights according to SQL-standard||Access rights for users and roles|
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|IBM Db2 warehouse formerly named IBM dashDB||Percona Server for MongoDB|
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