Hidden Column "SYS_NC000XX$" Being Added When A New Column Is Added To The Table.
(Doc ID 2277937.1)
Last updated on SEPTEMBER 26, 2024
Applies to:
Oracle Database - Enterprise Edition - Version 12.1.0.1 and laterOracle Database Cloud Schema Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.
Symptoms
We found one hidden column (Format SYS_NC000XX$) being added to the table whenever we add a new column to the table with Default Value clause.
ALTER TABLE ORACLE.TEST ADD ( TEST_COL NUMBER(10) DEFAULT 0 NULL);
Cause
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
Symptoms |
Changes |
Cause |
Solution |
References |