DBMS > AlaSQL vs. Amazon CloudSearch vs. BigObject

System Properties Comparison AlaSQL vs. Amazon CloudSearch vs. BigObject

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Editorial information provided by DB-Engines
Name	AlaSQL  Xexclude from comparison	Amazon CloudSearch  Xexclude from comparison	BigObject  Xexclude from comparison
Description	JavaScript DBMS library	A hosted search engine service by Amazon with the data stored in Amazons cloud	Analytic DBMS for real-time computations and queries
Primary database model	Document store Relational DBMS	Search engine	Relational DBMS a hierachical model (tree) can be imposed
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.54 Rank #228   Overall #35   Document stores #108   Relational DBMS	Score 2.20 Rank #120   Overall #11   Search engines	Score 0.04 Rank #338   Overall #151   Relational DBMS
Website	alasql.org	aws.amazon.com/­cloudsearch	bigobject.io
Technical documentation	github.com/­agershun/­alasql	docs.aws.amazon.com/­cloudsearch	docs.bigobject.io
Developer	Andrey Gershun & Mathias R. Wulff	Amazon	BigObject, Inc.
Initial release	2014	2012	2015
License Commercial or Open Source	Open Source MIT-License	commercial	commercial free community edition available
Cloud-based only Only available as a cloud service	no	yes	no
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Implementation language	JavaScript
Server operating systems	server-less, requires a JavaScript environment (browser, Node.js)	hosted	Linux distributed as a docker-image OS X distributed as a docker-image (boot2docker) Windows distributed as a docker-image (boot2docker)
Data scheme	schema-free	yes	yes
Typing predefined data types such as float or date	no	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		no
Secondary indexes	no	yes all search fields are automatically indexed	yes
SQL Support of SQL	Close to SQL99, but no user access control, stored procedures and host language bindings.	no	SQL-like DML and DDL statements
APIs and other access methods	JavaScript API	HTTP API	fluentd ODBC RESTful HTTP API
Supported programming languages	JavaScript
Server-side scripts Stored procedures	no	no	Lua
Triggers	yes	no	no
Partitioning methods Methods for storing different data on different nodes	none	yes automatic partitioning across Amazon Search Instance as required	none
Replication methods Methods for redundantly storing data on multiple nodes	none	yes managed transparently by AWS	none
MapReduce Offers an API for user-defined Map/Reduce methods	no	no	no
Consistency concepts Methods to ensure consistency in a distributed system	none		none
Foreign keys Referential integrity	yes	no	yes automatically between fact table and dimension tables
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	yes only for local storage and DOM-storage	no	no
Concurrency Support for concurrent manipulation of data		yes	yes Read/write lock on objects (tables, trees)
Durability Support for making data persistent	yes by using IndexedDB, SQL.JS or proprietary FileStorage	yes	yes
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	no	authentication via encrypted signatures	no
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	AlaSQL	Amazon CloudSearch	BigObject
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