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LMDB vs. MariaDB

LMDB MariaDB + Add column
Category
Preference (55% global votes) (57% global votes)
Website symas.​com/​mdb https:/​/​mariadb.​org/​
License
Design
Database model
Data storage
Embeddable Yes Yes
Features
Query language
Data types
Conditional entry updates No Yes
Map and reduce No No
Unicode No Yes
TTL for entries No No
Compression No Yes
Integrity
Integrity model
Atomicity Yes Yes
Consistency Yes Yes
Isolation Yes Yes
Durability (data storage) Yes Yes
Transactions Yes Yes
Referential integrity No Yes
Revision control No ?
Locking model
Indexing
Secondary Indexes No Yes
Composite keys No Yes
Full text search No Yes
Geospatial Indexes No Yes
Graph support No Yes
Distribution
Horizontal scalable No Yes
Replication No Yes
Replication mode
Sharding No No
Shared nothing architecture ? No
Restrictions
Value size max. 4 GB ?
System requirements
Operating system
Native driver
Memory minimum 64 kB 11 MB
Architecture
Programming language
More
Description Memory-Mapped, Copy-on-Write Relational Database System
Brand
Multi-user system Yes Yes
Database
Price rating ★★★★★ ★★★★★
Software distribution
Release Date September 2011 2009
Documentation level ★★★★★ ★★★★☆
Lines of code 7 k ?
Free to use Yes Yes
Active Yes Yes
Real time analytics Yes No
Creation Date 2009 2009
Community Driven Good Good
API Basic ?
Online backup Yes Yes
Function Based Index No Yes
Implementation flexibility (50% global votes) (50% global votes)
Download gitorious.​org/​mdb https:/​/​downloads.​mariadb.​org/​
Backup functionality Good Good
Query Cache No Yes
Ease of use ★★★★☆ ★★★★★
In-Place Update Yes No
Free for commercial use Yes Yes
Sorts Yes Yes
Read preferences No ?
Open Source Yes Yes
Maximum size 9.2 EB ?
Perfomance ★★★★★ ★★★★☆
JSON Yes Yes
Batch Loading Yes ?
Corruption Resistant Yes ?
Extension/Plug-in ? Yes
Multilingual content ? Yes
Multiple projects ? Yes
Standard compliance ? Yes
Object-Relational Mapping (ORM) ? Yes
RESTful ? No
Database Connection Pooling ? Yes
Web interface ? Yes
Data encryption ? Yes
Cloud platform support ?
Partial Index ? No
Key length max ? 255
Log ? Yes
Tuneable write concerns ? Yes
Easy of Use ? Yes
Triggers ? Yes
Geospatial ? Yes
Flexible Table(Schema) ? No
Stored Procedure ? Yes
24/7 support ? Yes
Free edition ? Yes
SQL Queries ? Yes
Monitoring UI ? Yes
CLI` ? Yes
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LMDB MariaDB
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