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VoltDB + Add column
Preference (48% global votes)
Website www.​voltdb.​com
Database model
Data storage
Embeddable Yes
Query language
Data types
Conditional entry updates Yes
Map and reduce Yes
Unicode Yes
TTL for entries No
Compression No
Integrity model
Atomicity Yes
Consistency Yes
Isolation Yes
Durability (data storage) Yes
Transactions Yes
Referential integrity Yes
Revision control Yes
Locking model
Secondary Indexes Yes
Composite keys Yes
Full text search No
Geospatial Indexes Yes
Graph support No
Horizontal scalable Yes
Replication Yes
Replication mode
Sharding Yes
Shared nothing architecture Yes
System requirements
Operating system
Native driver
Memory minimum 4 GB
Programming language
Description VoltDB is an ACID-compliant OLTP database that can process millions of transactions per second on commodity servers that are loosely connected over a fast network. It is a highly scalable alternative to legacy SQL databases such as Oracle and MySQL. VoltDB is accessed using SQL, the industry standard data language, and is also accessible using popular key-value and document-style interfaces.
Multi-user system Yes
Bluetooth No
Accelerometer sensor No
Multilingual content Yes
Price rating ★★★★☆
Standard compliance Yes
Software distribution
Object-Relational Mapping (ORM) Yes
Documentation level ★★★★★
RESTful Yes
Distributed Counter No
Free to use Yes
Active Yes
Database Connection Pooling Yes
Real time analytics Yes
Creation Date 2012
Community Driven Basic
Web interface Yes
API Good
2 Letter Country Code US
Cloud platform support
Online backup Yes
Admin Generator Yes
Partial Index Yes
Function Based Index Yes
Key length max 1 000 000
Geographic Replication Yes
Log Yes
Implementation flexibility (100% global votes)
Download voltdb.​com/​download/​software
Backup functionality Excellent
Query Cache Yes
Ease of use ★★★★☆
In-Place Update Yes
Free for commercial use Yes
Sorts Yes
Tuneable write concerns Yes
Event Driven Architecture Yes
Open Source Yes
Op/s 15 000 000
Maven support Yes
Triggers No
Perfomance ★★★★★
Materialized Views Yes
Pipeline Aggregation Yes
Spring Data Support Yes
Predictive Analytics Yes
Flexible Table(Schema) Yes
Geo-distributed Yes
Clustering over WAN No
Stored Procedure Yes
Second Level Caching No
Concurrency Yes
Auto-Sharding Yes
Попаболь Yes
Contributors 40
Aggregators Yes
Near cache No
Continuous query Yes
24/7 support Yes
Free edition Yes
Distributed code Deployment Yes
Dynamic code deployment Yes
DB Delta Server No
Rolling Upgrade Yes
Kafka Integration Yes
Storm Integration Yes
Offheap Memory Yes
CEP Streaming Yes
SQL Queries Yes
Atomic Persistence Yes
User and Group role based security model Yes
Minimum Java version 1.7
Average Latency (milliseconds)) 1
Multi-statement Transactions Yes
Columner No
Monitoring and Management
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