How do I erase metasploit's database with the current version of metasploit?

I read on the internet that you would normally use

Code:

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db_destroy

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but that does not work with the current version of metasploit. What is the command to erase my metasploit database?

Use workspace -d workspacename

Type workspace -h for more information. If you've only got the default workspace then workspace -d default will do it.

Thank you...