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DBMS > Google Search Appliance vs. LeanXcale vs. RavenDB

System Properties Comparison Google Search Appliance vs. LeanXcale vs. RavenDB

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Editorial information provided by DB-Engines
NameGoogle Search Appliance  Xexclude from comparisonLeanXcale  Xexclude from comparisonRavenDB  Xexclude from comparison
DescriptionThe Google Search Appliance consists of hardware and software for indexing documents in local networks.Full ACID, highly scalable DBMS for OLTP and OLAP applications with transactions on distributed dataOpen Source Operational and Transactional Enterprise NoSQL Document Database
Primary database modelSearch engineKey-value store
Relational DBMS
Document store
Secondary database modelsGraph DBMS infoexperimental
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.77
Rank#90  Overall
#10  Search engines
Score0.20
Rank#257  Overall
#43  Key-value stores
#121  Relational DBMS
Score3.82
Rank#78  Overall
#13  Document stores
Websiteenterprise.google.com/­search/­products/­gsa.htmlwww.leanxcale.comravendb.net
Technical documentationsupport.google.com/­gsaravendb.net/­docs
DeveloperGoogleLeanXcaleHibernating Rhinos
Initial release200220152010
Current release4.2, May 2019
License infoCommercial or Open SourcecommercialcommercialOpen Source infoAGPL version 3, commercial license available
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC#
Server operating systemsLinux
macOS
Raspberry Pi
Windows
Data schemeyesschema-free
Typing infopredefined data types such as float or dateno
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.no
Secondary indexesyes
SQL infoSupport of SQLnoyes infothrough Apache DerbySQL-like query language (RQL)
APIs and other access methodsAdministrative API
Browser interface
HTTP API
JDBC
proprietary key/value interface
.NET Client API
Java Client API
Python Client API
RESTful HTTP API
Supported programming languages.Net
C#
Go
Java
JavaScript (Node.js)
Python
Ruby
Server-side scripts infoStored proceduresyes
Triggersyes
Partitioning methods infoMethods for storing different data on different nodesShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesMaster-slave replicationMulti-master replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyes infoMapReduce functions can be defined in Linq
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integritynoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACID, Cluster-wide transaction available
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nono
User concepts infoAccess controlUser authentication via various security protocolsAccess control on document level using the Authorization Bundle

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Google Search ApplianceLeanXcaleRavenDB
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