Author: SSWUG Research

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Index maintenance of 10G

(yas) I have read at Eric S. Emrick’s blog about the redo behaviour seen when updating a primary key column Oracle takes some special steps to prevent unique key collisions that may temporarily occur during the update. You can read what it does at Eric’s post in detail. As Eric shows, it maintains t

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Database Design (Sample Chapter)

(Michael Kofler) The first stage in any database application is the design of the database. The design will have a great influence on the efficiency of the application, the degree of simplicity or difficulty in programming and maintenance, and the flexibility in making changes in the design. Errors

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Building the Infrastructure

(Michael L. Gonzales) Most business intelligence (BI) and data warehousing initiatives are planned from the top down. BI architects spend many hours on business requirements. Unfortunately, this careful planning is frequently undermined by a lack of attention to the foundation of any successful BI p