Transaction Recovery - Advanced SQL Engine - Teradata Database

Database Introduction

Product
Advanced SQL Engine
Teradata Database
Release Number
17.05
17.00
Published
June 2020
Language
English (United States)
Last Update
2021-01-23
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B035-1091
lifecycle
previous
Product Category
Teradata Vantage™
Two types of automatic transaction recovery can occur:
  • Single transaction recovery
  • Database recovery

The following table details what happens when the two automatic recovery mechanisms take place.

This recovery type… Happens when Teradata Database…
single transaction aborts a single transaction because of:
  • Transaction deadlock
  • User error
  • User-initiated abort command
  • An inconsistent data table

Single transaction recovery uses the transient journal to effect its data restoration.

database performs a restart for one of the following reasons:
  • Hardware failure
  • Software failure
  • User command