How can i rebuild the database

How can i rebuild the database

I've been testing ServiceDesk Plus and thought that I would re-install the system completely in order to fix some errors I made during my initial setup, however, it appears that the database did not re-create properly, all the tables are present but there is no accounts to use etc so i am unable to login and begin configuring everything.

Can anyone tell me if there is a way to force a database rebuild to reset the database back to default "just installed" mode?

I'm using a MSSQL server if that should help.

Cheers all.

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