Converts blob to VARCHAR. Invalid UTF-8 is handled based on the error behavior argument. Can be 'strict' (default, fail), 'replace' to replace invalid characters with '?', or 'ignore' to skip invalid characters.
See also
Other blob:
encode(),
from_base64(),
hex(),
md5(),
md5_number(),
octet_length(),
or–or,
repeat(),
sha1(),
sha256(),
to_base64(),
unbin(),
unhex()