Hidden Column "SYS_NC000XX$" Being Added When A New Column Is Added To The Table.
Last updated on JUNE 18, 2017
Applies to:Oracle Database - Enterprise Edition - Version 22.214.171.124 and later
Information in this document applies to any platform.
We found one hidden column (Format SYS_NC000XX$) 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);
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