Alter Table Add Column Results In ORA-39726 Unsupported Operation On Compressed Table (Doc ID 2167255.1)

Last updated on OCTOBER 24, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 12.1.0.2 and later
Information in this document applies to any platform.

Symptoms

The following sequence of commands succeeds in 11.2.0.4 and fails in 12.1.0.2

create table jba
(c1 number not null, c2 number not null) compress for oltp;
alter table jba nocompress;
alter table jba add c3 number default 99 not null;


Issue is discussed in length in MOS note: (Doc ID 1288918.1). The workaround
given in that note works in 11.2.0.4 but does not work in 12C.

 

 

Cause

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