Intersession communication is the ability to communicate between different user connections. Sessions are individual work areas. Sessions begin when you connect and end when you disconnect from the Oracle 10g database. You have several approaches that enable you to communicate between sessions. The DBMS_PIPE and DBMS_ALERT built-in utilities are the focus of the chapter.
You will cover topics as follows. The chapter assumes you read it sequentially. It also assumes you have read the preceding ten chapters. If you feel comfortable with an area, please feel free to move to the section of interest. However, the chapter assumes you have mastery of earlier sections.
Introducing intersession communication