OLTP, ODS, DSS .... [Terminology]

OLTP : Online Transaction Processing
ODS   : Operational Data Store

OLAP : Online Analysis Processing  
           데이터를 분석 및 읽기작업에 적합하도록 가공 저장

DW    : Data Warehoues
CRM  : Cutomer Relationship

KDD   : Knowledge Discovery in Database
Data Mining : 
DSS   : Descision Support System
ETL   : Extract Transform and Load