Prøv denne
UPDATE tablename
SET columnToCheck = REPLACE(CONVERT(columnToCheck USING ascii), '?', '')
WHERE ...
eller
update tablename
set columnToCheck = replace(columnToCheck , char(146), '');
Prøv denne
UPDATE tablename
SET columnToCheck = REPLACE(CONVERT(columnToCheck USING ascii), '?', '')
WHERE ...
eller
update tablename
set columnToCheck = replace(columnToCheck , char(146), '');