MySQL Notes
Database backup
mysqldump -u userId -puserPassword --all-databases >I:\MySQL\backup\abc.sql or mysqldump -u userId -puserPassword someDatabase >I:\MySQL\backup\abc.sql or mysqldump -u userId -puserPassword --databases dbOne [dbTwo dbThree...] >I:\MySQL\backup\abc.sql
Database restore
mysql -u userId -puserPassword -e "source I:/MySQL/backup/abc.sql"
No space after -p