AWS / Azure / GCP Cloud | Database | Data Analytics | LakeHouse | Machine Learning | Shrenik Parekh

Migrate MySQL User from MySQL 5.6 to 8.0.21: If you are migrating MySQL from 5.6 to 8.0.21 new env. (Not in place upgrade) then this is one of the  option to migrate mysql users.  $ mysql -uroot -p -S/mysql/mysql.sock --skip-column-names --execute \ "SELECT CONCAT('SHOW GRANTS FOR ', QUOTE(user), '@', QUOTE(host), ';') FROM mysql.user" | tee step1 $ mysql -uroot -p -S/mysql/mtsprd/data/mtsprd.sock  --skip-column-names < step1 | tee step2 $ sed -e "s/ IDENTIFIED BY PASSWORD '.*'//" -e "s/$/;/" < step2 | tee step3 Note: Interesting use of function CONCAT, QUOTE, Linux utility tee, and sed makes it easy to generate script.  Generate dump file from MySQL 5.6.30: $ mysqldump -uroot -p --set-gtid-purged=OFF -S /mysql/mysql.sock --databases <db1> \<db2> --events --triggers --routines --force --ignore-table=<table1> \ --ignore-table=<table2> > /mysql/dump.sql Note:  --force, -f - Ignore all errors; ...