what happened to the global index when I truncate the data
in one of the partition?
Answer / Neelambuj Kumar Shrivastava
Truncating a table with a global index will remove all rows from the table and partition, but it will not affect the global index. The global index still points to the empty table or partition, and if you try to use it, Oracle will return an error. To work around this issue, you can rebuild or recreate the global index after truncating the data.
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