How to Use the Break Key on z/OS | Basic Teradata Query - Using the Break Key on z/OS - Basic Teradata Query

Basic Teradata® Query Reference - 20.00
Deployment
VantageCloud
VantageCore
Edition
Enterprise
IntelliFlex
Lake
VMware
Product
Basic Teradata Query
Release Number
20.00
Published
October 2023
ft:locale
en-US
ft:lastEdition
2025-04-02
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gxl1691484661681.ditamap
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obe1474387269547.ditaval
dita:id
psp1479308573013
Product Category
Teradata Tools and Utilities

Use the Break key to perform the following function:

Function Results
Single-break Interrupt BTEQ

The break key command has the following syntax:



where:

<break_key> represents pressing the PA1 key on the mainframe keyboard.

<Unlocking_terminal> comprises the following sequence of steps:

  1. Press RESET
  2. Press PA1
  3. Press RESET
  4. Press PA1
When BTEQ is in the process of displaying multi-page output for a query, the keyboard is not locked and pressing the PA1 key sends a user interrupt to BTEQ.

In contrast, when the TSO terminal is waiting for an outstanding request, the keyboard is locked to prevent input. To unlock the terminal keyboard and send a user interrupt to BTEQ, follow the sequence of previous steps to unlock the terminal and interrupt BTEQ.