What are the types of Calculated columns available? - oracle

What are the types of calculated columns available? Explain them

In forms there are 2 types of calculated columns

1. Formula column
2. Summary column
Oracle trigger vs. stored procedure
Difference between trigger and stored procedure - Procedure runs only when one call them manually whereas a trigger runs when there is any activity (insert,update,delete) on table on which the trigger is written...
Row level and statement level trigger
Row level and statement level trigger - Row Level Trigger is fired each time row is affected by Insert, Update or Delete command...
Categories of oracle processes
User process – User process is used in invocation of application software......
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