Timesten instance users, Internal user, External user – Oracle Audio Technologies B31679-01 User Manual

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Oracle TimesTen In-Memory Database Installation Guide

Note: All examples in the TimesTen documentation set use the name


to represent the instance administrator.

For details on establishing the TimesTen instance administrators group,

“Create the TimesTen instance administrators group” on page 37


On Windows systems, the user


automatically becomes the

TimesTen instance administrator when Access Control is selected at
install time.

On UNIX systems, a TimesTen instance administrator user is the OS
user who installs that instance of Timesten.

TimesTen instance users

TimesTen instance users are user names that have been identified to the
instance. They are defined at the instance level and apply to all data
stores in an instance. Initially, only one user name is known to the
instance: the instance administrator.

Only the instance administrator has permission to create or delete users.
Individual users have permission to change their own passwords.

Instance users may be internal user names or external user names.

Internal user

A user name that has been defined within the TimesTen instance is
referred to as an “internal user.” It has no significance outside of the
particular instance of TimesTen in which it was defined. Internal users
are authenticated by the TimesTen instance. See




Oracle TimesTen In-Memory Database SQL Reference Guide


TimesTen user names (as specified in the UID DSN attribute) are
automatically converted to upper case (case insensitive).

External user

A user name that is identified by the operating system or some other
external mechanism is referred to as an “external user.” In this release
only the operating system user name is recognized as an external user.
External users are assumed to have been authenticated by some external
mechanism. See


in the

Oracle TimesTen In-Memory

Database SQL Reference Guide

. A password is not required by

TimesTen since the user was authenticated by the operating system at
login time.

UNIX external user names are case sensitive. Windows external user
names are not. When connecting from UNIX platforms, TimesTen