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BLOB records deletion [message #422748] Fri, 18 September 2009 11:16 Go to next message
Messages: 14
Registered: June 2007
Junior Member

I have a table that's made of an integer and a blob.

When I delete some rows, I have an error, ORA-01654, saying it can not extend a SYS_IL47389340 index in the tablespace.

The error makes sense, since the tablespace is almost full, but my questions are:

1) How deletion works in this case? Usually, AFAIK deleted records are put in rollback segments or undo. For BLOB type what happens? It makes me wonder this kind of error: why does it want to extend an index during deletion?

2) Since the tablespace is almost full, is there any way to circumvent the problem, other than adding a new datafile?

Thanks a lot

Re: BLOB records deletion [message #422750 is a reply to message #422748] Fri, 18 September 2009 12:10 Go to previous message
Michel Cadot
Messages: 65084
Registered: March 2007
Location: Nanterre, France, http://...
Senior Member
Account Moderator
1) LOB works differently, undo is stored in the same segment than BLOB itself, see PCTVERSION and RETENTION parameters.

2) truncate the table? Wink
Change PCTVERSION and RETENTION parameters for your BLOB


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