• Introducing Oracle Database XE
    Database

    Introducing Oracle Database XE

    From the earliest writing systems, the history of civilization has been closely intertwined with the evolution of information systems. Chinese invention of papermaking and later Johannes Gutenberg's printing press enabled accumulation and sharing of human knowledge. In the 2…

    AndrewJune 22, 2023
  • Understanding Relational Data Model
    Database

    Understanding Relational Data Model

    The primary purpose of a database system is to model and automate an existing business process while maintaining data integrity. For example, imagine you're a database developer tasked with streamlining employee record managements for HR processionals. Using a relational dat…

    AndrewJune 23, 2023
  • Database Normalization
    Database

    Database Normalization

    In database design, database normalization  is the process of structuring tables in a relational database system.  A well-normalized database can reduce data redundancy and eliminate data anomalies, though it may  sacrifice some querying performance: it  involves decomposing a l…

    AndrewJune 23, 2023

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Gambler's Ruin and Random Walk
inStochastic Process

Gambler's Ruin and Random Walk

Suppose that two gamblers, Andrew and Bob, repeatedly place $1 bets on a certai…

November 22, 2024
Data Set Interface for SAS Macros
inSAS

Data Set Interface for SAS Macros

August 10, 2024
Procedural Data Processing with SAS Macros
inSAS

Procedural Data Processing with SAS Macros

August 08, 2024
SAS Macro Basics
inSAS

SAS Macro Basics

August 07, 2024
Output Delivery System
inSAS

Output Delivery System

August 05, 2024
SAS Procedures for Data Visualizations

SAS Procedures for Data Visualizations

August 02, 2024
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