| Error | ORA-14646 |
Description | 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. |
