variables in all rule evaluation contexts in the database
Columns
   ___________________________
 
   EVALUATION_CONTEXT_OWNER
      Owner of the evaluation context
   EVALUATION_CONTEXT_NAME
      Name of the evaluation context
   VARIABLE_NAME
      Name of the variable
   VARIABLE_TYPE
      --
   VARIABLE_VALUE_FUNCTION
      Function to provide variable value
   VARIABLE_METHOD_FUNCTION
      Function to provide variable method return value