Qs What is the advantage of having dba_tablespaces.ALLOCATION_TYPE = "UNIFORM" OVER 
dba_tablespaces.ALLOCATION_TYPE = "USER" ?

With ALLOCATION_TYPE = "UNIFORM" , NEXT_EXTENT Size of the Object can NOT be Manually 
defined 
in the Table Creation Script <storage (NEXT <Value>)> which is allowed when having 
allocation_type="USER" . 

This allows Objects with Different NEXT_EXTENT Sizes to be Created in the SAME LOCALLY 
managed Tablespace & thus reduces Total Number of Extents for the respective Table. 
Our Application does have Objects of Dissimilar Sizes Existing tin the Same Tablespace 
.

Does ALLOCATION_TYPE = "UNIFORM" automatically imply NO Fragmentation Irrespective of 
the Number of Extents of the Object (in a Locally Managed Tablespace) ? Does it 
further imply NO further need to Look at Number of Extents of an Object in a Locally 
Managed Tablespace ?

NOTE Allocation_type can be made = "USER" by using the stored procedures :- 
dbms_space_admin.tablespace_migrate_from_local / 
dbms_space_admin.tablespace_migrate_to_local

Am i still Lost in the World of Oracle 7 ?

Thanks



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Author: VIVEK_SHARMA
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