Oracle Workflow tables:
WF_ACTIVITIES table stores the definition of an activity. Activities
can be processes, notifications, functions or folders. A process activity
is a modelled workflow process, which can be included as an activity in
other processes to represent a subprocess. A notification activity
sends a message to a performer. A functions activity performs an
automated function that is written as a PL/SQL stored procedure.
A folder activity is not part of a process, it provides a means of grouping activities.
WF_ITEMS is the runtime table for workflow processes. Each row
defines one work item within the system.
WF_ITEM_ATTRIBUTES table stores definitions of attributes
associated with a process. Each row includes the sequence in which
the attribute is used as well as the format of the attribute data.
WF_NOTIFICATIONS holds the runtime information about a specific
instance of a sent message. A new row is created in the table each time
a message is sent.
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