Mysqldump usage _ MySQL

Database mysqldump use mysqldump-hhost-uusername-ppassword -- databasesdb1db1sql export (will export data): mysqldump-h1021021151-uroot-ptools -- databasesstarry_oplatstarry database mysqldump use
Mysqldump-hhost-uusername-ppassword -- databases db1> db1. SQL
Export (data will be exported ):
Mysqldump-h10.210.211.51-uroot-ptools -- databases starry_oplat> starry_oplat_db. SQL
Export (only export the table structure ):
Mysqldump -- opt-d database name-u root-p> xxx. SQL
Import:
Mysql> use dapan;
Mysql> source starry_oplat_db. SQL;