📝 One-liners · 118 cards
Business Continuity Planning & Disaster Recovery
Data Mining?
the family of statistical and machine-learning techniques (classification, clustering, association, regression, anomaly detection) that extract patterns from that warehouse.
What is Information System (IS)?
is the combination of software, hardware, and telecommunication networks used to collect useful data, organise it, and turn it into actionable information for an enterprise.
Operational System — Purpose / Time-horizon / Read/Write profile / Example in a bank?
Purpose: Process day-to-day transactions; Time-horizon: Current — seconds, minutes; Read/Write profile: Write-heavy, short queries; Example in a bank: Finacle/Flexcube CBS, UPI switch, NEFT/RTGS engine, ATM switch
Informational System — Purpose / Time-horizon / Read/Write profile / Example in a bank?
Purpose: Analyse data and support decisions; Time-horizon: Historical — months, years; Read/Write profile: Read-heavy, long aggregate queries; Example in a bank: Enterprise Data Warehouse (EDW), MIS, ALCO dashboards, BCBS 239 risk-data hub
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