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The error message is as follows:
ERROR 1046 (3D000): No database selectedThere are two reasons for the error
1. Before importing the database, there is no such database in the database
Solution: create a new database with the name of the database you want to import, select the database, and then import it
The input command and running results are as follows:
mysql> use mydb
mysql> source /root/mydb.sql2. The location of the SQL to be imported is not correct 2
Solution: check the path of your SQL file to modify it