a. graphically represent database design
When trying to show inheritance in a table with a parent-child relationship, SearchOracle.com guru Frank Kulash says three main steps are needed:
- Normalizing the data
- Bottom-Up hierarchical query
- Finding the root in hierarchical queries
Click to read Frank's detailed explanations of each step.
Click for the definition of inheritance.
For More Information
Chapter excerpt: PL/SQL: What, when, and where
Best Web Links: Languages and Development
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This was first published in August 2003