image11


ð Case Sensitive

Specifies that the data values will be case sensitive.  
 
 
ð Message

Specifies the messages for various error conditions.  
 
Message on insert of Primary Key value which is not unique  
The message that will be displayed to a user attempting to insert a row with a field value which already exists in the table.  

Message on delete of PK value also in referencing FK  
The message that will be displayed to a user attempting to delete a row with a field value which is referenced by a Foreign Key in another table.  

Message on update of a PK value also in a referencing FK  
The message that will be displayed to a user attempting to update a row with a field value which is referenced by a Foreign Key in another table.  
 

For more information on Indexes, please see Types of Constraints.