Last updated on MAY 30, 2017
Applies to:Oracle Database - Enterprise Edition - Version 10.2.0.1 and later
Information in this document applies to any platform.
Unique index is created as create unique index instead of as consequence constraint unique.
Then make it unusable, alter session set skip_unusable_indexes=true
Insert a row into the table, it will fail with ORA-01502.
do the same actions on a usual index the row is inserted without problems.
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