18. Data Access Layer
+
SQL / JOIN
ACID
B
A
ta
ta
Transaction
Da
Da
Partitioning
Replication
Tools
OPs
Data Modeling
D
ata
C
Volume
No Details
Variant Schema
Partitioning
Scale out
Sharding
-
27. +
Schema-Less
Aggregated Data
Object Mapping
Large Scale Data
Sharding
Map/Reduce
Eventual Consistency
Memory Storage
Journaling
-
Denormalized data
Disk Space
Expertise
Complex Querying
Resource Usage
DB-Level Locking