The preferences on this page allow you to change the default presentation of count information and sub-query names in Visual SQL Tuning diagrams.
Using the SQL Optimization perspective, select Preferences > Tuning Job Editor > VST Diagrams.
• Show count information: If enabled, shows the ratios and count information when the VST diagram is generated. If not enabled, you must click the Ratios/Counts icon [ Unable to render embedded object: File (worddav1ef2ba970e4e5e69385a67a914afbb31.png) not found. ] on the VST diagram to view ratio and count information.
• Hide sub-query names when expanded: If enabled, shows the sub-query name when the VST diagram is generated. If not enabled, you must right-click anywhere in the VST and from the menu that appears, choose Show Query Names.