How can i use a database for practice in DOS

i have some problems in the sqlplus.
My OS is windows2000 server,when i intalled the Oracle 8i
i type a command 'cmd' go to DOS.and type "sqlplus username/password@database"
but always the system say that my database name can't be deal with.
and i want to get a sample database for training SQL statements.How can i get it.
is Oracle 8i have the sample database.

It sounds like your database hasn't been started yet so do this:
Try typing svrmgrl at the c:> -- if it doesn't work you might either have to go to the proper directory or type sqlplus to get an sql:> prompt (I don't remember it's been a while) but the rest I am pretty sure about---
When you get the svrmgr prompt:
use (i think) "connect internal"
and "oracle or Oracle" as password
once you do this
it should say connected
then use: svrmgr:>shutdown -- shutsdown DB
then use: svrmgr:>startup -- starts DB
hopefully then you can access your database through SQL Plus

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Message was edited by:
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How can i use a database for practice in DOS

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