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kdb+

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Category
Preference (100% global votes)
Website kx.​com
License
Design
Database model
Data storage
Embeddable Yes
Features
Query language
Conditional entry updates Yes
Map and reduce Yes
Unicode Yes
TTL for entries Conditional
Compression Yes
Integrity
Atomicity Yes
Consistency Yes
Isolation Yes
Durability (data storage) Yes
Transactions Yes
Referential integrity Yes
Revision control Yes
Locking model
Indexing
Secondary Indexes Yes
Composite keys Yes
Full text search Yes
Geospatial Indexes Yes
Distribution
Horizontal scalable Yes
Replication Yes
Replication mode
Sharding Yes
Shared nothing architecture Yes
Restrictions
Value size max. 10 TB
System requirements
Operating system
Native driver
Memory minimum 100 kB
Architecture
Programming language
More
Description In memory, high performance columnar
Brand
Multi-user system Yes
Extension/Plug-in Yes
Database
Price rating ★★★★★
Standard compliance Yes
Software distribution
Object-Relational Mapping (ORM) Yes
Release Date 1993
Documentation level ★★★★☆
RESTful Yes
Distributed Counter Yes
Free to use Conditional
Active Yes
Database Connection Pooling Yes
Real time analytics Yes
Creation Date 1993
Community Driven Good
Web interface Yes
Widgets Dashboard Good
API Good
Color
Cloud platform support
Online backup Yes
Function Based Index Yes
Geographic Replication Yes
Log Yes
Implementation flexibility (100% global votes)
Download https:/​/​kx.​com/​software-download.​php
Level of access authorization
Backup functionality Good
Query Cache Yes
Ease of use ★★★★☆
In-Place Update Yes
Free for commercial use Yes
Sorts Yes
Capped Collections Yes
Tuneable write concerns Yes
Read preferences Yes
Event Driven Architecture Yes
Open Source No
Op/s 100 000
XInclude Support No
XQuery Support No
Maven support Yes
Global Assembly Cache Yes
Triggers Yes
Perfomance ★★★★★
Cloud-enabled Yes
Licenses model
Pipeline Aggregation Yes
Spring Data Support Yes
Predictive Analytics Yes
Geospatial Yes
Text Analytics Yes
Server Side Java Script Yes
JSON 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
Free edition 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
Monitoring UI Yes
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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