Biztalk Database Question: Explain me how many databases are used for implementing BRE? Biztalk Database Interview QuestionAnswer: In addition to the default 4 databases only one database, i.e. Rule Engine Database. Previous QuestionNext QuestionTell me is there any change in the database when the filter is added to Send port or when Activate property of Receive shape is set to true?As you know the MessageBox database holds all the messages that are processed, what about messaging Objects?