HopFS: Scaling hierarchical file system metadata using NewSQL databases | the morning paper
How Does a Database Work? | Let’s Build a Simple Database
o determine the sizes of all of the tables in a specific database, at the mysql> prompt, type the following command. Replace database_name with the name of the database that you want to check:
As an administrator, you may need to change the name of a database. However, for security, the command to rename a database