Accessing Data : Verifying the data returned by a data set : How to change the number of rows that appear in Preview Results
 
How to change the number of rows that appear in Preview Results
1 Choose WindowPreferences.
2 In Preferences, click the plus sign (+) beside Report Design to expand the item.
3 Choose Data Set Editor.
4 In Number of rows to display, type the maximum number of rows to display, then choose OK.