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Microsoft SQL Server 2005 vs. eXtremeDB IMDS

Microsoft SQL Server 2005 eXtremeDB IMDS + Add column
Microsoft SQL Server 2012 eXtremeDB In-Memory Database System
Preference (63% global votes) (71% global votes)
Website www.​microsoft.​com/​sqlserver/​ www.​mcobject.​com/​extremedbfamily.​shtml
Database model
Data storage
Embeddable Yes Yes
Query language
Data types
Conditional entry updates Yes Yes
Map and reduce No No
Unicode Yes Yes
TTL for entries Yes Yes
Compression Yes Yes
Integrity model
Atomicity Yes Yes
Consistency Yes Yes
Isolation Yes Yes
Durability (data storage) Yes Yes
Transactions Yes Yes
Referential integrity Yes No
Revision control Yes No
Locking model
Secondary Indexes Yes Yes
Composite keys Yes Yes
Full text search Yes No
Geospatial Indexes Yes Yes
Graph support Yes Conditional
Horizontal scalable Yes Yes
Replication Yes Yes
Replication mode
Sharding Yes Yes
Shared nothing architecture Yes Yes
Value size max. 1 TB ?
System requirements
Operating system
Native driver
Memory minimum 100 MB 150 kB
Programming language
Description Relational database In-memory database system (IMDS) with options for persistence
Multi-user system Yes Yes
Extension/Plug-in Yes ?
Database ?
Multilingual content Yes ?
Price rating ★★★★★ ?
WYSIWYG-Editor Yes ?
Standard compliance Yes Yes
Software distribution
Object-Relational Mapping (ORM) Yes No
Release Date 24ᵗʰ July 2016 September 2001
Documentation level ★★★★★ ★★★☆☆
RESTful Yes ?
Distributed Counter Yes ?
Free to use Conditional ?
Active Yes Yes
Database Connection Pooling Yes ?
Real time analytics Yes Yes
Creation Date 2011 2001
Web interface Yes ?
Data encryption Yes ?
API Good Good
XML Aware Good Basic
Cloud platform support
Online backup Yes Yes
Function Based Index Yes No
Key length max 800 ?
Log Yes Yes
Implementation flexibility (43% global votes) (0% global votes)
Download www.​microsoft.​com/​sqlserver www.​mcobject.​com/​software_eval
Level of access authorization ?
Backup functionality Good Good
Query Cache Yes No
Ease of use ★★★★★ ★★★☆☆
In-Place Update Yes Yes
Free for commercial use No No
Sorts Yes Yes
Event Driven Architecture Yes Yes
Triggers Yes Yes
Perfomance ★★★★☆ ★★★★★
Materialized Views Yes ?
OData Yes ?
Flexible Table(Schema) Yes Yes
Stored Procedure Yes Yes
Continuous query Yes ?
24/7 support Yes ?
Free edition Yes No
Offheap Memory Yes ?
User and Group role based security model Yes ?
Multi-statement Transactions Yes ?
Does your mom understand it No No
Recursive queries Yes ?
Online backup (no locking) Yes ?
CLI` Yes Yes
Lines of code ? 206 k
Community Driven ? No
Partial Index ? Yes
Capped Collections ? Yes
Tuneable write concerns ? Yes
Read preferences ? Yes
Open Source ? No
Pipeline Aggregation ? Yes
Spring Data Support ? No
Geospatial ? Yes
Server Side Java Script ? No
Corruption Resistant ? Yes
Auto-Sharding ? Yes
Number of systems in production ? 22 000 000
memcached protocol ? No
Trigram index ? Yes
Patricia Trie index ? Yes
kd-tree index ? Yes
More ? Yes
Point In Time Recovery ? Yes
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Microsoft SQL Server 2005 eXtremeDB IMDS
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