There are two types of Teradata Database clients.
| Type | Description |
|---|---|
| Mainframe-attached | Mainframe computing system (IBM z/OS only). |
| Network-attached | Windows, Novell Linux, Red Hat Linux, Oracle Solaris, HP-UX, and IBM AIX |
A session is the transfer of data between a user on a client and Teradata Database on the server, including the logical and physical connections that make data transfer possible.