The Teradata PT infrastructure provides a simple, declarative SQL-like scripting language for specifying:
In response to a Teradata PT job script, the Teradata PT infrastructure:
1 Parses the statements in the Teradata PT job script.
2 Initializes its internal components.
3 Creates, optimizes, and executes a parallel plan for completing the Teradata PT job by:
4 Coordinates checkpoint and restart processing.
5 Terminates the processing environment.
Figure 1 illustrates the main components of the Teradata PT infrastructure.Figure 1: Teradata PT Infrastructure
The INMOD and OUTMOD routines are custom software modules that interface with Teradata standalone load and export utilities. These are user exit routines that the load/export operators can call to provide enhanced processing functions on:
Adapter operators support these routines by allowing you to use the utilities within the Teradata PT infrastructure.