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Size of Blob Column is high [message #621544] Thu, 14 August 2014 02:12 Go to next message
manyal
Messages: 84
Registered: March 2005
Member
Friends,

I upload photo using client_get_file_name()in form and database column type is blob.
average image size is 25 k but when we see blob size using dbms_lob.getlength() it is showing value 1061617 for all records , which is very high.
what may be the reason and how to overcome this problem as this value is very high as far as space is concerned.

row chunk value of blob column is ROW CHUNK 8192.

Regards,
Manyal
Re: Size of Blob Column is high [message #621549 is a reply to message #621544] Thu, 14 August 2014 04:07 Go to previous messageGo to next message
John Watson
Messages: 8931
Registered: January 2010
Location: Global Village
Senior Member
Are you using basic file LOBs or secure file LOBs?
Re: Size of Blob Column is high [message #621567 is a reply to message #621549] Thu, 14 August 2014 07:38 Go to previous messageGo to next message
manyal
Messages: 84
Registered: March 2005
Member
it is basic file
Re: Size of Blob Column is high [message #621575 is a reply to message #621567] Thu, 14 August 2014 08:53 Go to previous messageGo to next message
John Watson
Messages: 8931
Registered: January 2010
Location: Global Village
Senior Member
Convert to secure files, and you may get a pleasant surprise.
Re: Size of Blob Column is high [message #621580 is a reply to message #621575] Thu, 14 August 2014 10:48 Go to previous message
manyal
Messages: 84
Registered: March 2005
Member
actually altering the blob type as secured type would be the last option as the system is in production, is there any other way.
and i want to know the reason of such a big and constant length (1061617) for this column for all rows, inspite of small size(25k) of images being stored into this.


[Updated on: Thu, 14 August 2014 10:49]

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