DBMS > AlaSQL vs. Alibaba Cloud ApsaraDB for PolarDB vs. Apache Drill vs. Elasticsearch

System Properties Comparison AlaSQL vs. Alibaba Cloud ApsaraDB for PolarDB vs. Apache Drill vs. Elasticsearch

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Editorial information provided by DB-Engines

Name

Description

JavaScript DBMS library

A cloud-native relational database compatible with MySQL, PostgreSQL, and Oracle. Designed for business critical applications.

Schema-free SQL Query Engine for Hadoop, NoSQL and Cloud Storage

A distributed, RESTful modern search and analytics engine based on Apache Lucene

Elasticsearch lets you perform and combine many types of searches such as structured, unstructured, geo, and metric

Primary database model

Document store
Relational DBMS

Relational DBMS

Document store
Relational DBMS

Search engine

Secondary database models

Document store
Spatial DBMS

DB-Engines Ranking measures the popularity of database management systems
Trend Chart

Score	0.55
Rank	#232	Overall
	#35	Document stores
	#111	Relational DBMS

Score	0.50
Rank	#240	Overall
	#116	Relational DBMS

Score	2.77
Rank	#109	Overall
	#20	Document stores
	#57	Relational DBMS

Score	156.00
Rank	#8	Overall
	#1	Search engines

Website

alasql.org

www.alibabacloud.com/product/polardb

drill.apache.org

www.elastic.co/elasticsearch

Technical documentation

github.com/agershun/alasql

www.alibabacloud.com/help/doc-detail/58764.htm

drill.apache.org/docs

www.elastic.co/guide/en/elasticsearch/reference/current/index.html

Developer

Andrey Gershun & Mathias R. Wulff

Alibaba

Apache Software Foundation

Elastic

Initial release

2014

2012

2010

Current release

1.19.0, June 2021

7.8.0, June 2020

License

Commercial or Open Source

Open Source

MIT-License

commercial

Open Source

Apache Version 2

Open Source

Elastic License

Cloud-based only

Only available as a cloud service

yes

DBaaS offerings (sponsored links)

Database as a Service

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Implementation language

JavaScript

Java

Server operating systems

server-less, requires a JavaScript environment (browser, Node.js)

hosted

Linux
OS X
Windows

All OS with a Java VM

Data scheme

schema-free

yes

schema-free

Flexible type definitions. Once a type is defined, it is persistent

Typing

predefined data types such as float or date

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.

yes

Secondary indexes

yes

All search fields are automatically indexed

SQL

Support of SQL

Close to SQL99, but no user access control, stored procedures and host language bindings.

yes

SQL SELECT statement is SQL:2003 compliant

SQL-like query language

APIs and other access methods

JavaScript API

JDBC
ODBC

JDBC
ODBC
RESTful HTTP API

Java API
RESTful HTTP/JSON API

Supported programming languages

JavaScript

Java
Python

C++

.Net
Groovy
Community Contributed Clients
Java
JavaScript
Perl
PHP
Python
Ruby

Server-side scripts

Stored procedures

yes

user defined functions

yes

Triggers

yes

by using the 'percolation' feature

Partitioning methods

Methods for storing different data on different nodes

none

Sharding

Implicit feature of the cloud service

Sharding

Replication methods

Methods for redundantly storing data on multiple nodes

none

yes

Implicit feature of the cloud service

yes

MapReduce

Offers an API for user-defined Map/Reduce methods

yes

ES-Hadoop Connector

Consistency concepts

Methods to ensure consistency in a distributed system

none

Immediate Consistency

none

Eventual Consistency

Synchronous doc based replication. Get by ID may show delays up to 1 sec. Configurable write consistency: one, quorum, all

Foreign keys

Referential integrity

yes

Transaction concepts

Support to ensure data integrity after non-atomic manipulations of data

yes

only for local storage and DOM-storage

ACID

Concurrency

Support for concurrent manipulation of data

yes

Durability

Support for making data persistent

yes

by using IndexedDB, SQL.JS or proprietary FileStorage

yes

Depending on the underlying data source

yes

In-memory capabilities

Is there an option to define some or all structures to be held in-memory only.

yes

Depending on the underlying data source

Memcached and Redis integration

User concepts

Access control

fine grained access rights according to SQL-standard

Depending on the underlying data source

More information provided by the system vendor

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Typical application scenarios

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Licensing and pricing models

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