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I see accented characters in there -- these would lie outside the normal printable range (code 32 - 126). Such characters outside this range can get remapped to other characters when transitioning between codepages -- so there's a possibility that you might write one thing, but what gets stored is turned into something else (so when you read it back, you might not get back what you wrote). Basically some characters may exist in one codepage but not in another -- so translation could result in loss of some characters. Another problem would be that some characters in one codepage would be at a certain code value, but a different one in another. If you insist on using a CHAR field, then I would recommend that you store base64 encoded version into the table rather than the raw binary one. Base64 encoding will result in a slightly longer string that only consists of characters in the set ['A'..'Z','a'..'z',' 0'..'9', '+', '/','='] -- which generally exist in most computer character sets and thus aren't subject to being transformed into a completely different character when switching between encodings. To get back the original value, you run the base64 encoded string through the reverse transform.