want to remove unnecessary indexes of recyclebin;

SQL > select 'edit index' | index_name |' monitoring of use;' in user_indexes.

"ALTERINDEX" | INDEX_NAME | ' MONITORINGUSAGE;'

--------------------------------------------------------------------------------

..

...

change the index BIN$ HY6Ph9IY8grgUKjAggFQHg == $0 followed by its use;

change the index BIN$ HY6Ph9IZ8grgUKjAggFQHg == $0 followed by its use;

change the index BIN$ HY6Ph9Ia8grgUKjAggFQHg == $0 followed by its use;

change the index BIN$ HY6Ph9IX8grgUKjAggFQHg == $0 followed by its use;

change the index BIN$ HY6Ph9Ib8grgUKjAggFQHg == $0 followed by its use;

change the index BIN$ HY6Ph9Ic8grgUKjAggFQHg == $0 followed by its use;

..

....

How to fall permanently above the index?

DB version is: 11.2.0.1

Thank you.

SQL > select 'edit index' | index_name |' monitoring of use;' in user_indexes.

change the index BIN$ HY6Ph9Ia8grgUKjAggFQHg == $0 followed by its use;

change the index BIN$ HY6Ph9Ib8grgUKjAggFQHg == $0 followed by its use;

change the index BIN$ HY6Ph9Ic8grgUKjAggFQHg == $0 followed by its use;

Him is that they are visible in "user_indexes" means that they ARE NOT in the recyclebin but are real indexes.


SQL>drop index "BIN$HY6Ph9Ib8grgUKjAggFQHg==$0";
drop index "BIN$HY6Ph9Ib8grgUKjAggFQHg==$0"
           *
ERROR at line 1:
ORA-02429: cannot drop index used for enforcement of unique/primary key

Well - there you go! As the exception indicates that index is "used for the purposes of unique primary key' so it cannot be moved. You will need to file the unique or primary key on the table, the index is based on that.


1)  How dropped indexes point referential key constraints ?

Those who are NOT let down the index. Your query of 'user_indexes' proved that.

Someone dropped at the table of indexes are on. Who because of Oracle rename the table and index using names BIN so that they are now in the trash.

Then someone did a step BACKWARD on this table. Which caused the Oracle to rename the table, the original name. But Oracle does NOT rename the index. See the quote from doc that I have provided to the other answering machine above.

(2) another way to fall on index?

Yes - as I told you above: delete the key constraint unique or primary of the table on which the index is based.

Tags: Database

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