Description of Invalid Zero Length Column (ZLC)
(Doc ID 1606284.1)
Last updated on MARCH 20, 2019
Applies to:Oracle Database - Enterprise Edition - Version 184.108.40.206 to 220.127.116.11 [Release 8.0.6 to 12.1]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.
The purpose of this article is to describe an invalid length of Zero in a column (ZLC).
To view full details, sign in with your My Oracle Support account.
Don't have a My Oracle Support account? Click to get started!
In this Document
|ZLC and SELECT statements|
|ZLC and db_block_checking / db_block_check_for_debug|
|ZLC cannot be proactively detected|
|Workarounds to fix ZLC|