DBMS > Amazon CloudSearch vs. atoti
System Properties Comparison Amazon CloudSearch vs. atoti
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|Editorial information provided by DB-Engines|
|Name||Amazon CloudSearch Xexclude from comparison||atoti Xexclude from comparison|
|Description||A hosted search engine service by Amazon with the data stored in Amazons cloud||An in-memory DBMS combining transactional and analytical processing to handle the aggregation of ever-changing data.|
|Primary database model||Search engine||Object oriented DBMS|
|License Commercial or Open Source||commercial||commercial free versions available|
|Cloud-based only Only available as a cloud service||yes||no|
|DBaaS offerings (sponsored links) Database as a Service|
Providers of DBaaS offerings, please contact us to be listed.
|Server operating systems||hosted|
|Typing predefined data types such as float or date||yes|
|Secondary indexes||yes all search fields are automatically indexed|
|SQL Support of SQL||no||Multidimensional Expressions (MDX)|
|APIs and other access methods||HTTP API|
|Server-side scripts Stored procedures||no||Python|
|Partitioning methods Methods for storing different data on different nodes||yes automatic partitioning across Amazon Search Instance as required||Sharding, horizontal partitioning|
|Replication methods Methods for redundantly storing data on multiple nodes||yes managed transparently by AWS|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||no|
|Foreign keys Referential integrity||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||no|
|Concurrency Support for concurrent manipulation of data||yes||yes, multi-version concurrency control (MVCC)|
|Durability Support for making data persistent||yes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||yes|
|User concepts Access control||authentication via encrypted signatures|
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