Check out example codes for "mysqldump cli command". It will help you in understanding the concepts better.

Code Example 1

mysqldump -u username -p dbname > filename.sql

Code Example 2

# Syntax
mysqldump -u [username] -p [database-to-dump] > [database-to-receive]

# Pipe it! Exporting DB from external host
mysqldump -u [username] -P [port] -h [host] [database-to-dump] | mysql -u root -h [database-to-receive]

# Limit the export/dump to a sepcific table by typing its name after the DB

Code Example 3

Press CTRL+C to copy shell> mysqldump --databases db1 db2 db3 > dump.sql

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