How space for a PDF into a BLOB?

What is the ratio between the size of a PDF and the size of a BLOB? I mean, if I've got a PDF of 1Mb, how much will it occupy in a BLOB on average? Probably always 1Mbyte or much more or much less?
Thanks!

Mark1970 wrote:
What is the ratio between the size of a PDF and the size of a BLOB? I mean, if I've got a PDF of 1Mb, how much will it occupy in a BLOB on average? Probably always 1Mbyte or much more or much less?
Thanks!Well, it should be about the same, just a little bit of an overhead to handle internal stuff around the blob.
The point of a BLOB is that it will store the Binary data, so there's no need for Oracle to alter the data itself, just to store some additional internal information alongside it, but that will be minimal I would have thought. Never really looked into it in detail myself, can't really think of any need to either.

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