SQL database export-import

backup only all tables you need from localhost so your .sql file contain only the tables you need & after this go to your live server keep your databse as it
the use the following cmd from unix/linux SSH to keep the old tables & only restore the new tables

mysql -u username -ppassword databasename -D < /pathto/datbase.sql

this cmd is used for restoring only some tables & let other tables as it

don’t forget please backup every thing before trying this to avoid any problems