Solution of error “ERROR 1221 (HY000): Incorrect usage of DB GRANT and GLOBAL PRIVILEGES”

I once ran a SQL query:

GRANT REPLICATION SLAVE ON TESTDATABASE.* TO "replication"@"192.168.1.9" IDENTIFIED BY "password";

And I found the following error:

ERROR 1221 (HY000): Incorrect usage of DB GRANT and GLOBAL PRIVILEGES

Since the REPLICATION SLAVE privileges are global and can not be assigned to a particular database, they must be specified globally in the query, so the SQL query should look like this:

GRANT REPLICATION SLAVE ON *.* TO "replication"@"192.168.1.9" IDENTIFIED BY "password";

After that, the query succeeded:

Query OK, 0 rows affected, 1 warning (0,01 sec)

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