Determining the page size and data set size for DSN1PRNT

For example, the query that is shown in the following figure returns this information for the DEPT table:

SELECT T.CREATOR,T.NAME,S.NAME AS TABLESPACE,S.PARTITIONS,S.PGSIZE,      
      CASE S.DSSIZE                                      
      WHEN 0 THEN                                        
                  CASE WHEN S.TYPE = 'G' THEN 4194304    
                       WHEN S.TYPE = 'L' THEN 4194304    
                       WHEN S.TYPE = 'O' THEN 4194304    
                       WHEN S.TYPE = 'P' THEN 4194304    
                       WHEN S.TYPE = 'R' THEN 4194304    
                  ELSE                                   
                       CASE WHEN S.PARTITIONS > 254 THEN          
                            CASE WHEN S.PGSIZE = 4  THEN  4194304 
                                 WHEN S.PGSIZE = 8  THEN  8388608 
                                 WHEN S.PGSIZE = 16 THEN 16777216 
                                 WHEN S.PGSIZE = 32 THEN 33554432 
                            ELSE NULL              
                            END                         
                            WHEN S.PARTITIONS > 64 THEN 4194304
                            WHEN S.PARTITIONS > 32 THEN 1048576   
                            WHEN S.PARTITIONS > 16 THEN 2097152   
                            WHEN S.PARTITIONS > 0  THEN 4194304   
                       ELSE 2097152                               
                       END                                        
                  END
      ELSE S.DSSIZE       
      END                      
      AS DSSIZE                     
      FROM SYSIBM.SYSTABLES T,           
           SYSIBM.SYSTABLESPACE S             
      WHERE                                        
           T.NAME = 'DEPT' AND                          
           T.TSNAME = S.NAME;