Creating Index On Column Timestamp With Time Zone As Data Type creates functional based index
(Doc ID 1662930.1)
Last updated on JANUARY 02, 2020
Applies to:Oracle Database - Enterprise Edition - Version 220.127.116.11 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.
***Checked for relevance on 01-Sep-2017***
creating an index on column with datatype TIMESTAMP WITH TIME ZONE, a function-based index is created for this column implicitly with SYS_EXTRACT_UTC("column") ?
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