Thursday, December 17, 2009

Operational VS Data Warehouse

Operational VS Data Warehouse



ตารางที่ 1 คำอธิบายบนส่วนท้ายตาราง

Operational

Warehouse (DSS)

Application Oriented
Subject Oriented
Used to run business
Used to analyze business
Clerical User
Manager/Analyst
Detailed data
Summarized and refined
Current up to date
Snapshot data
Isolated Data
Integrated Data
Repetitive access by small transactions
Ad-hoc access using large queries
Read/Update access
Mostly read access (batch update)

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