mysqlword="xxxx"
dbname="xxxx"
tmpdb="yyyy"
mysqldump $dbname  -u root -p$mysqlword   | mysql $tmpdb  -u root -p$mysqlword  
  xxxxyyyy
mysql -u root -p
MariaDB [(none)]> 
mysqlword="xxxx"
dbname="xxxx"
tmpdb="yyyy"
mysqldump $dbname  -u root -p$mysqlword   | mysql $tmpdb  -u root -p$mysqlword  
  xxxxyyyy
mysql -u root -p
MariaDB [(none)]> 
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