The V$ Views (DBA and Developer)
The V$ views are very helpful in analyzing database issues. This appendix lists all views and creation scripts used to actually build the V$ and GV$ views. The V$ views vary in structure and number, depending on the database version and release used. Run the queries on your version of the database to get the number of views and structure for your specific version. The topics covered in this appendix include the following:
Creation of V$ and GV$ views and x$ tables
A list of all Oracle 11gR2 GV$ and ...