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DBMS > Amazon CloudSearch vs. LeanXcale

System Properties Comparison Amazon CloudSearch vs. LeanXcale

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Our visitors often compare Amazon CloudSearch and LeanXcale with Amazon Aurora, Google Cloud Firestore and PostgreSQL.

Editorial information provided by DB-Engines
NameAmazon CloudSearch  Xexclude from comparisonLeanXcale  Xexclude from comparison
DescriptionA hosted search engine service by Amazon with the data stored in Amazons cloudFull ACID, highly scalable DBMS for OLTP and OLAP applications with transactions on distributed data
Primary database modelSearch engineKey-value store
Relational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.50
Rank#97  Overall
#10  Search engines
Score0.18
Rank#259  Overall
#43  Key-value stores
#121  Relational DBMS
Websiteaws.amazon.com/­cloudsearchwww.leanxcale.com
Technical documentationdocs.aws.amazon.com/­cloudsearch
DeveloperAmazonLeanXcale
Initial release20122015
License infoCommercial or Open Sourcecommercialcommercial
Cloud-based only infoOnly available as a cloud serviceyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Server operating systemshosted
Data schemeyesyes
Typing infopredefined data types such as float or dateyes
Secondary indexesyes infoall search fields are automatically indexed
SQL infoSupport of SQLnoyes infothrough Apache Derby
APIs and other access methodsHTTP APIproprietary key/value interface
JDBC
Server-side scripts infoStored proceduresno
Triggersno
Partitioning methods infoMethods for storing different data on different nodesyes infoautomatic partitioning across Amazon Search Instance as required
Replication methods infoMethods for redundantly storing data on multiple nodesyes infomanaged transparently by AWS
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integritynoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACID
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.no
User concepts infoAccess controlauthentication via encrypted signatures

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More resources
Amazon CloudSearchLeanXcale
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