Oracle : Ошибка ORA-14646


"Specified alter table operation involving compression cannot be performed in the presence of usable bitmap indexes"
*Cause: The first time a table is altered to include compression, it
cannot have a usable bitmap index (partition). Subsequent alter table
statements involving compression do not have this same restriction.
*Action: A) Drop any bitmap indexes defined on the table, and re-create them
once the operation is complete or, B) Mark all index fragments of
all bitmap indexes defined on the table UNUSABLE and rebuild them
once the operation is complete.

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