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3. Click the button to the right of the Server Expression field. The Server Expression Editor is displayed. 4. 5. In the Expression field, create an expression as described in "Using the Expression Editors". For information on the syntax to use, see "Syntax of Server Expressions". • Enclose any literal negative value within parentheses, as in this example: (-0.33) • If this series is going to be used within cached worksheets, it cannot return null or zero-length values. Use the expression to_number(null,0) to express null values that can be cached. • branch_data is a synonym for the sales_data table. When you are done, click either OK or Verify. If the expression is not valid, you will receive the message "Expression is not valid." In that case, close the message box and correct the expression. 19-26 Oracle Demantra Implementation Guide
