原來這一招這麼好用: ALTER IGNORE TABLE dupTest ADD UNIQUE INDEX(a,b);
from:http://free.netartmedia.net/Databases/Databases8.html
原來這一招這麼好用: ALTER IGNORE TABLE dupTest ADD UNIQUE INDEX(a,b);
from:http://free.netartmedia.net/Databases/Databases8.html
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