Space Used by Databases and Users - Teradata Database

Teradata Database Administration

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Space Used by Databases and Users

On a newly installed system, user DBC initially owns all the space in the database. Teradata recommends that you create special administrative users that belong to DBC (see “Creating User DBADMIN” on page 32) and create your databases and users from those special administrative users.

As you create objects or insert data rows, space is allocated as needed from the permanent space of the administrative user who is the immediate owner. If the administrative user grants other users the privilege to create more databases and users, those databases and users can only use the amount of space available to them.

When creating additional databases or users, you must always allocate a permanent space limit. (You define space limits at the database or user level, not at the table level.) The MODIFY DATABASE/USER statement also allows you to specify the maximum limit of temporary, spool, and permanent space allocated for a database and user.

Every database and user has an upper limit of temporary, spool, and permanent space. For more information on the different types of space, see Chapter 9: “Managing Space: Operational DBAs.”