Here is a short video which explains everything you need to know about Table design in JDEdwards.

Few things to remember when designing Tables

• Always ensure you have audit fields
• Always keep future reserve fields
• Never Generate a table before knowing what it is used for and whats the purpose
• Generation of table will automatically generate Index
• Modifying a table always add columns to the end of the table
• Drop the table(Remove from Database) if your changes are not reflected
• Be careful when you are using Triggers