สุดยอด
ทำคำสั่งในในเครื่องที่เป็น server นะครับ LINUX
UPDATE patient SET drugallergy = REPLACE (drugallergy, """", "");
REPLACE(str,from_str,to_str)
Returns the string str with all occurrences of the string from_str replaced by the string to_str.
examples :
* replace string in all records from a table :
update mytable set myfield = replace (myfield, "one", "two");
* display a modified record set
SELECT REPLACE(myfield, 'one', 'two') from mytable;
more info about string functions on mysql .com, be careful if you're using version 3, some functions appeared with version 4
http://dev.mysql.com/doc/mysql/en/string-functions.html