![]() RAW columns are not always containing a string, since the results it looks like that the content is binary data, more exactly a jpg file which has a string header in it but among binary information.Ĭonverting it to a varchar will generate invalid charcode that are represented as rectangular boxes. ![]() Is it possible to retrieve the unreadable data (identifier) from the raw string? The other data contains additional information about the file (like the checksum, title or mime type) The corresponding name/identifier of stackoverflow should be test or a foreign key to a table that contains test. But the names/identifier of the properties are unreadable. Here the values of the metadata are shown. Select UTL_RAW.CAST_TO_VARCHAR2() from dual This metadata information is stored in a database, but parts of the added information is encoded somehow (sadly I have no access to the source code). I have an application where I can upload files and add metadata to the file.
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