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ActivePivot vs. LMDB

ActivePivot LMDB + Add column
Preference (100% global votes) (57% global votes)
Website activeviam.​com symas.​com/​mdb
Database model
Data storage
Embeddable No Yes
Query language
Data types
Conditional entry updates Yes No
Map and reduce Yes No
Unicode Yes No
TTL for entries ? No
Compression Yes No
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 No
Composite keys Yes No
Full text search ? No
Geospatial Indexes ? No
Graph support Yes No
Horizontal scalable Yes No
Replication Yes No
Replication mode ?
Sharding Yes No
Shared nothing architecture Yes ?
Value size max. 10 TB 4 GB
System requirements
Operating system
Native driver
Memory minimum 4 GB 64 kB
Programming language
Description Memory based database Memory-Mapped, Copy-on-Write
Multi-user system Yes Yes
Extension/Plug-in Yes ?
Price rating ★★★★☆ ★★★★★
Documentation level ★★★☆☆ ★★★★★
RESTful Yes ?
Free to use No Yes
Active Yes Yes
Real time analytics Yes Yes
WSDL Yes ?
Web interface Yes ?
API Good Basic
Log Yes ?
Implementation flexibility (75% global votes) (50% global votes)
Backup functionality Good Good
Query Cache Yes No
Ease of use ★★★☆☆ ★★★★☆
Free for commercial use No Yes
Sorts Yes Yes
Event Driven Architecture Yes ?
Open Source No Yes
Maven support Yes ?
Perfomance ★★★★★ ★★★★★
Cloud-enabled Yes ?
Spring Data Support Yes ?
Predictive Analytics Yes ?
JSON Yes Yes
Flexible Table(Schema) Yes ?
Stored Procedure Yes ?
Concurrency Yes ?
Delta read Yes ?
Delta Update Yes ?
Aggregators Yes ?
Continuous query Yes ?
LDAP Integration Yes ?
In business since 2004 ?
24/7 support Yes ?
Free edition No ?
Distributed code Deployment Yes ?
Offheap Memory Yes ?
Database ?
Software distribution ?
Release Date ? September 2011
Lines of code ? 7 k
Creation Date ? 2009
Community Driven ? Good
Online backup ? Yes
Function Based Index ? No
Download ? gitorious.​org/​mdb
In-Place Update ? Yes
Read preferences ? No
Maximum size ? 9.2 EB
Batch Loading ? Yes
Corruption Resistant ? Yes
+ Add row ++
ActivePivot LMDB
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