MYsql

 1. insert from another table 

https://medium.com/@shadow.technos/copy-data-from-one-table-to-another-table-in-mysql-f1d563211028

2. update iner join table query 

https://stackoverflow.com/questions/8057565/mysql-update-inner-join-tables-query

2. pembulana mysql 

https://kursuswebprogramming.com/cara-menggunakan-fungsi-mysql-round/