用指令撈出MySQL裡面的資料

範例
撈出ucenter用戶的Email Address

echo 'SELECT email from uc_member' | mysql -B -uroot -pxxxxxx tiger_uc > Tiger.MailAddress


echo 'SELECT Table_Columns from Table_Name' | mysql -B -uUSER -pPASSWORD DataBase_Name > file_name