Re: Finding out used blocks in the database

To find used blocks within a table

                                                                                       
                   
                                                                   SELECT COUNT 


(DISTINCT                 

                                                                                       
                   
                                                                   
DBMS_ROWID.ROWID_BLOCK_NUMBER(rowid)|| 
                                                                                       
                   
                                                                   
DBMS_ROWID.ROWID_RELATIVE_FNO(rowid))  
                                                                   "Used"              
                   
                                                                       FROM 
schema.table;                 
                                                                                       
                   
                                                                                       
                   

Rick

                                                                                       
                            
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                    02/08/2002                                                         
                            
                    03:41 PM                                                           
                            
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Hi
As we all know RMAN backs up only the used blocks in the database.Was wondering if there is any way to query the database to find out if a block is used or not so as to find out how much of the database is currently being used ?

TIA

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