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eXist-db vs. kdb+

eXist-db kdb+ + Add column
Category
Preference (55% global votes) (67% global votes)
Website exist-db.​org kx.​com
License
Design
Database model
Data storage
Embeddable Yes Yes
Features
Query language
Data types ?
Conditional entry updates Yes Yes
Map and reduce No Yes
Unicode Yes Yes
TTL for entries ? Conditional
Compression Yes Yes
Integrity
Integrity model ?
Atomicity Yes Yes
Consistency Yes Yes
Isolation ? Yes
Durability (data storage) Yes Yes
Transactions Conditional Yes
Referential integrity No Yes
Revision control ? Yes
Locking model
Indexing
Secondary Indexes Yes Yes
Composite keys ? Yes
Full text search Yes Yes
Geospatial Indexes Yes Yes
Graph support Yes ?
Distribution
Horizontal scalable No Yes
Replication Yes Yes
Replication mode
Sharding No Yes
Shared nothing architecture No Yes
Restrictions
Value size max. ? 10 TB
System requirements
Operating system
Native driver
Memory minimum ? 100 kB
Architecture
Programming language
More
Description XML Database In memory, high performance columnar
Multi-user system Yes Yes
Extension/Plug-in Yes Yes
Multilingual content Yes ?
Price rating ★★★★★ ★★★★★
WYSIWYG-Editor Yes ?
Multiple projects Yes ?
Standard compliance Yes Yes
Software distribution
Template language ?
Target audience ?
Object-Relational Mapping (ORM) No Yes
Release Date 2000 1993
Documentation level ★★★★☆ ★★★★☆
RESTful Yes Yes
Dynamic typing No ?
Programming paradigm ?
Comments Yes ?
Free to use Yes Conditional
Active Yes Yes
Real time analytics Yes Yes
Community Driven Yes Good
Web interface Yes Yes
Versioning Good ?
API Good Good
XML Aware Good ?
Color
Log Yes Yes
Implementation flexibility (50% global votes) (100% global votes)
Download https:/​/​bintray.​com/​exist…leases/​exist https:/​/​kx.​com/​software-download.​php
Backup functionality Good Good
Query Cache Yes Yes
Community feedback ★★★★☆ ?
Ease of use ★★★★☆ ★★★★☆
In-Place Update Yes Yes
Free for commercial use Yes Yes
Sorts Yes Yes
Easy of Use Yes ?
Open Source Yes No
XInclude Support Yes No
XUpdate Support Yes ?
XQuery Support Yes No
Triggers Yes Yes
Perfomance ★★★★☆ ★★★★★
Cloud-enabled Yes Yes
Geospatial Yes Yes
JSON Yes Yes
Free edition Yes Yes
Yes ?
Monitoring UI Yes Yes
Recursive queries Yes ?
Brand ?
Database ?
Distributed Counter ? Yes
Database Connection Pooling ? Yes
Creation Date ? 1993
Widgets Dashboard ? Good
Cloud platform support ?
Online backup ? Yes
Function Based Index ? Yes
Geographic Replication ? Yes
Level of access authorization ?
Capped Collections ? Yes
Tuneable write concerns ? Yes
Read preferences ? Yes
Event Driven Architecture ? Yes
Op/s ? 100 000
Maven support ? Yes
Global Assembly Cache ? Yes
Licenses model ?
Pipeline Aggregation ? Yes
Spring Data Support ? Yes
Predictive Analytics ? Yes
Text Analytics ? Yes
Server Side Java Script ? Yes
Flexible Table(Schema) ? No
Geo-distributed ? Yes
Batch Loading ? Yes
Administrator responsive? ? Yes
Re-Reduce ? Yes
Clustering over WAN ? Yes
Fully Distributed ? Yes
Stored Procedure ? Yes
Second Level Caching ? Yes
Concurrency ? Yes
Auto-Sharding ? Yes
Native Adsense Integration ? No
Delta read ? Yes
Delta Update ? Yes
Aggregators ? Yes
Near cache ? Yes
Continuous query ? Yes
HTTP Session replication ? Yes
LDAP Integration ? Yes
In business since ? 1993
Number of systems in production ? 80 000
24/7 support ? Yes
Distributed code Deployment ? Yes
Dynamic code deployment ? Yes
DB Delta Server ? Yes
Rolling Upgrade ? Yes
Dynamic index ? Yes
Data Grid interceptors ? Yes
Replication interceptors ? Yes
Kafka Integration ? No
Drools Integration ? No
Storm Integration ? No
Offheap Memory ? Yes
In-Memory File System ? Yes
CEP Streaming ? Yes
SQL Queries ? Yes
memcached protocol ? Yes
Does your mom understand it ? No
CLI` ? Yes
Web Page Caching ? Yes
Web Page Fragment Caching ? Yes
Abstracts complexity of UI Components ? Yes
Hadoop Integration ? Yes
Apache Spark Integration ? Yes
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eXist-db kdb+
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