DBMS > Amazon SimpleDB vs. Speedb vs. TimesTen
System Properties Comparison Amazon SimpleDB vs. Speedb vs. TimesTen
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|Editorial information provided by DB-Engines|
|Name||Amazon SimpleDB Xexclude from comparison||Speedb Xexclude from comparison||TimesTen Xexclude from comparison|
|Description||Hosted simple database service by Amazon, with the data stored in the Amazon Cloud. There is an unrelated product called SimpleDB developed by Edward Sciore||An embeddable, high performance key-value store optimized for write-intensive workloads, which can be used as a drop-in replacement for RocksDB||In-Memory RDBMS compatible to Oracle|
|Primary database model||Key-value store||Key-value store||Relational DBMS|
|Developer||Amazon||Speedb||Oracle, TimesTen Performance Software, HP originally founded in HP Labs it was acquired by Oracle in 2005|
|Current release||11 Release 2 (184.108.40.206.0)|
|License Commercial or Open Source||commercial||commercial||commercial|
|Cloud-based only Only available as a cloud service||yes||no||no|
|DBaaS offerings (sponsored links) Database as a Service|
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|Server operating systems||hosted||Linux||AIX|
|Typing predefined data types such as float or date||no||no||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||no|
|Secondary indexes||yes All columns are indexed automatically||no||yes|
|SQL Support of SQL||no||no||yes|
|APIs and other access methods||RESTful HTTP API||JDBC|
Oracle Call Interface (OCI)
|Supported programming languages||.Net|
|Server-side scripts Stored procedures||no||no||PL/SQL|
|Partitioning methods Methods for storing different data on different nodes||none Sharding must be implemented in the application||none||none|
|Replication methods Methods for redundantly storing data on multiple nodes||yes||none||Multi-source replication|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||no||no|
|Consistency concepts Methods to ensure consistency in a distributed system||Eventual Consistency|
Immediate Consistency can be specified for read operations
|Immediate Consistency or Eventual Consistency depending on configuration|
|Foreign keys Referential integrity||no||no||yes|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||no Concurrent data updates can be detected by the application||yes||ACID|
|Concurrency Support for concurrent manipulation of data||yes||yes||yes|
|Durability Support for making data persistent||yes||yes||yes by means of logfiles and checkpoints|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||yes||yes|
|User concepts Access control||Access rights for users and roles can be defined via the AWS Identity and Access Management (IAM)||no||fine grained access rights according to SQL-standard|
|More information provided by the system vendor|
|Specific characteristics||Speedb is an embedded key value store for hyperscale systems. It was designed to...|
|Competitive advantages||New compaction method that dramatically reduces write amplification for large scale...|
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