Application Design Basics
Data Normalization:
OLTP – 3NF
DSS – 2NF
Data Type Selection:
Choose Correct Data Types Right from the beginning
Reduce SQL manipulation and data conversion in queries
Referential Integrity:
Use PK-FK relationships wisely
Do not use a PK which is subject to updates
Indexing:
Understand principles of indexing – PK, don’t forget to index FK
Understand new types of indexes – Bitmap, Reverse Key
SQL DML:
Understand New Oracle 9i Features
Database Backend
Separate Data and Indexes into different tablespaces
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