ORA-00957: duplicate column name - Oracle Database 12c Error Messages

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Published on March 11, 2023 10:00:37 AM ● Video Link: https://www.youtube.com/watch?v=v0wSAdiq-xI

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In this video we are going to see how to fix below Oracle Database 12c Error Message.

ORA-00957: duplicate column name.
Cause: A column name was specified twice in a CREATE or INSERT statement. Column names must be unique within a table, view, or cluster.
Action: In a CREATE statement, change one of the column names to a new, unique column name. In an INSERT statement, remove one of the duplicate names.

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