Where to find the blob viewer in sql developer

Hi,
i tried to find the blob viewer in sql developer to see blob column data , but failed. The manual introduce blob vievers but not mention where it is in sql developer
can any gurus guide me to find blob viewers
Thanks

user10833860 wrote:
double click the result cell of blob. the blob viewer will pop up
This quote is from the 2nd link
http://sqldeveloper.solyp.com/download/SQLDeveloperUserManual_en.pdfThis is not the same SQL Developer as the Oracle supplied SQL Developer.
It shows the raw binary data unless it is a JPEG, GIF or PNG where you can see a picture.
>
http://download.oracle.com/docs/cd/E18464_01/doc.30/e17472/dialogs.htm
This is better, this is the documentation for Oracle SQL Developer
>
Use the external editor associated with the MIME type and file extension (see the preferences for External Editor)
>
http://download.oracle.com/docs/cd/E18464_01/doc.30/e17472/intro.htm#CHDDJFGE
>
The External Editor pane determines which external editor is called by SQL Developer when you try to edit binary large object (BLOB) data, such as image files, video files, and other files created by certain applications. For each combination of MIME type and file extension, you can specify the executable application to be used to open and edit associated files.
>
Did you set up an application that can open the binary files of the type you want to view?

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