Oracle in a Nutshell

Name

CREATE USER

Synopsis

CREATE USER username 
        IDENTIFIED {BY password | EXTERNALLY | GLOBALLY AS 'external_name'}
        [DEFAULT TABLESPACE tablespace_name]
        [TEMPORARY TABLESPACE tablespace_name]
        [QUOTA {integer (K | M) | UNLIMITED} ON tablespace_name]
                  [QUOTA {integer (K | M) | UNLIMITED} ON tablespace_name  . . . ]
        [PROFILE profilename]
        [PASSWORD EXPIRE]
        [ACCOUNT LOCK | UNLOCK]

Creates a user and specifies basic characteristics of the user.

Keywords

IDENTIFIED BY

Specifies the way the user will be authenticated. There are three options for authentication:

PASSWORD

Identified with a locally stored password. The password can contain only single-byte characters from the database character set.

EXTERNALLY

Identified by an external service, such as the operating system. If you want the user to have access only through the operating system account, add the OS_AUTHENT_PREFIX parameter value before the username.

GLOBALLY AS 'external_name'

Identified by an enterprise directory service. The external_string can be either the Distinguished Name from the directory or NULL, which indicates that the directory will map users to the appropriate database schema.

DEFAULT TABLESPACE

Specifies the default tablespace for objects created by the user. The default is the SYSTEM tablespace.

TEMPORARY TABLESPACE

Specifies the tablespace used for the user’s temporary storage. The default is the SYSTEM tablespace.

QUOTA

Specifies the amount of space the user can use in the specified tablespace. You can have multiple QUOTA clauses ...