问题
we are having a database with utf8 as charset. now in one table we are having a value like 'HERBES-Herbe à poux' . now we have to convert it into 'HERBES-Herbe a poux' . i.e à-->a. We cannot have a replace function since the values are dynamic.
Please help us.
回答1:
What constitutes a "special character" to you? Anything outside the US7ASCII character set?
You can potentially use the CONVERT function
SELECT convert( <<your string>>, 'US7ASCII' )
FROM table_name
Assuming that there is a mapping for the particular character to the US7ASCII character set, that mapping will be used to replace the character. If there is no mapping defined, the character will be replaced by the default replacement character, a question mark "?".
来源：https://stackoverflow.com/questions/12936570/converting-special-character-to-plain-text-in-oracle