DBMS > AlaSQL vs. Alibaba Cloud MaxCompute vs. SAP Advantage Database Server vs. VelocityDB

System Properties Comparison AlaSQL vs. Alibaba Cloud MaxCompute vs. SAP Advantage Database Server vs. VelocityDB

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Editorial information provided by DB-Engines
Name	AlaSQL  Xexclude from comparison	Alibaba Cloud MaxCompute  Xexclude from comparison	SAP Advantage Database Server former name: Sybase ADS  Xexclude from comparison	VelocityDB  Xexclude from comparison
			SAP Advantage Database Server seems to be discontinued. Therefore it is excluded from the DB-Engines Ranking.
Description	JavaScript DBMS library	MaxCompute (previously known as ODPS) is a general purpose, fully managed, multi-tenancy data processing platform for large-scale data warehousing	Low-cost RDBMS with access to ISAM and FoxPro data structures	A .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database model	Document store Relational DBMS	Relational DBMS a graph-processing framework is available with the graphs being stored in tables	Relational DBMS	Graph DBMS Object oriented DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.51 Rank #256   Overall #40   Document stores #118   Relational DBMS	Score 0.84 Rank #209   Overall #98   Relational DBMS		Score 0.11 Rank #354   Overall #37   Graph DBMS #15   Object oriented DBMS
Website	alasql.org	www.alibabacloud.com/­product/­maxcompute	www.sap.com/products/advantage-database-server.html	velocitydb.com
Technical documentation	github.com/­AlaSQL/­alasql	www.alibabacloud.com/­help/­en/­maxcompute		velocitydb.com/­UserGuide
Developer	Andrey Gershun & Mathias R. Wulff	Alibaba	Sybase, SAP	VelocityDB Inc
Initial release	2014	2016	1993	2011
Current release				7.x
License Commercial or Open Source	Open Source MIT-License	commercial	commercial	commercial
Cloud-based only Only available as a cloud service	no	yes	no	no
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Implementation language	JavaScript			C#
Server operating systems	server-less, requires a JavaScript environment (browser, Node.js)	hosted	Linux Windows	Any that supports .NET
Data scheme	schema-free	yes	yes	yes
Typing predefined data types such as float or date	no	yes	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	no	no
Secondary indexes	no	no	yes	yes
SQL Support of SQL	Close to SQL99, but no user access control, stored procedures and host language bindings.	SQL-like query language	yes	no
APIs and other access methods	JavaScript API	Fluentd Flume MaxCompute Console	.NET Client API ADO.NET JDBC ODBC OLE DB	.Net
Supported programming languages	JavaScript	Java	Delphi Perl PHP	.Net
Server-side scripts Stored procedures	no	user defined functions in Java	yes	no
Triggers	yes	no	yes	Callbacks are triggered when data changes
Partitioning methods Methods for storing different data on different nodes	none	Sharding Implicit feature of the cloud service	none	Sharding
Replication methods Methods for redundantly storing data on multiple nodes	none	yes Implicit feature of the cloud service	Multi-source replication CONFLICT Trigger to resolve replication conflicts Source-replica replication
MapReduce Offers an API for user-defined Map/Reduce methods	no	yes	no	no
Consistency concepts Methods to ensure consistency in a distributed system	none	Immediate Consistency	Immediate Consistency	Immediate Consistency
Foreign keys Referential integrity	yes	no	yes	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	yes only for local storage and DOM-storage	no	ACID	ACID
Concurrency Support for concurrent manipulation of data		yes	yes	yes
Durability Support for making data persistent	yes by using IndexedDB, SQL.JS or proprietary FileStorage	yes	yes	yes
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.	yes	no	no caching of (temporary) tables can be configured	yes
User concepts Access control	no	Access rights for users and roles	fine grained access rights according to SQL-standard	Based on Windows Authentication
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More resources
	AlaSQL	Alibaba Cloud MaxCompute	SAP Advantage Database Server former name: Sybase ADS	VelocityDB
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