ORA-14196: Specified index cannot be used to enforce the constraint.
(Doc ID 2740943.1)
Last updated on JANUARY 07, 2021
Applies to:Oracle Database - Enterprise Edition - Version 188.8.131.52 and later
Information in this document applies to any platform.
When attempting to create a unique constraint using an index that was created with a function(Function-based index), an ORA-14196: Specified index cannot be used to enforce the constraint is raised
alter table test_con add constraint test_con_u1 unique(c4) using index idx1 enable novalidate;
ERROR at line 1:
ORA-14196: Specified index cannot be used to enforce the constraint.und
created a function-based index on the column being used in the constraint
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