First, enter the directory mysqldump.exe at the command prompt (if mysqldump.exe directory has been added to the system path environment variable, this step can be omitted)
备份
mysqldump.exe --opt --add-drop-database --add-drop-table -hlocalhost -uroot -p123456 --result-file=d:/bak.sql --default-character-set=utf8 dbname
备份指定表
mysqldump.exe --opt --add-drop-database --add-drop-table -hlocalhost -uroot -p123456 --result-file=d:/bak.sql --default-character-set=utf8 dbname tab1 tab2 tab3...
还原
mysql -hlocalhost -uroot -p123456 --default-character-set=utf8 dbname<d:/bak.sql