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Allocating extent to a clob column of a table! [message #487697]

Thu, 30 December 2010 02:34

orausern
Messages: 826
Registered: December 2005

Senior Member

Hi experts

I have a table with two clob columns and need to manually allocate space to the table and to its lob segment. Is the following command correct?

--to allocate extent to the table
alter table emp allocate extent;
--the table has columns named col1 and col2 which are clob
--to allocate extents to the columns 
alter table emp modify lob (col1) (allocate extent (size 10m))
/ 
alter table emp modify lob (col2) (allocate extent (size 10m))
/

Thanks

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Re: Allocating extent to a clob column of a table! [message #487699 is a reply to message #487697]

Thu, 30 December 2010 02:45

Michel Cadot
Messages: 68718
Registered: March 2007
Location: Saint-Maur, France, https...

Senior Member
Account Moderator

Why don't you try it?

SQL> alter table emp modify lob (col1) (allocate extent (size 10m))
  2  / 

Table altered.

SQL> alter table emp modify lob (col2) (allocate extent (size 10m))
  2  / 

Table altered.

SQL> 
SQL> alter table emp allocate extent;

Table altered.

Regards
Michel

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