|Oracle® Database Administrator's Guide
11g Release 2 (11.2)
Part Number E17120-05
To connect to the database, each user must specify a valid user name that has been previously defined to the database. An account must have been established for the user, with information about the user being stored in the data dictionary.
When you create a database user (account), you specify the following attributes of the user:
Other tablespaces and quotas
To learn how to create and manage users, see Oracle Database Security Guide.