rebuilding bitmap and function based indexes.
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Thread: rebuilding bitmap and function based indexes.

  1. #1
    Join Date
    Oct 2000
    Posts
    57

    Hi,

    I want to rebuild a unusable bitmap index and disabled function based index .

    I just want to make sure below syntax is correct for the same .


    for bitmap

    alter bitmap index "OWNER"." Index_name"
    nologging rebuild tablespace data_DATA storage( initial 16384 next 57344);

    for fuction based index.

    alter index enable "OWNER"." Index_name"
    nologging rebuild tablespace USERS storage( initial 57344 next 516096);


    thanks in advance !

    tom

  2. #2
    Join Date
    Sep 2000
    Posts
    384
    both Bitmap indexes and function based indexes cannot be rebuilt.They have to be dropped and recreated...

    Radhakrishnan.M

  3. #3
    Join Date
    May 2000
    Location
    ATLANTA, GA, USA
    Posts
    3,135
    Bit Map Index can be rebuilt. Only online is not supported.

  4. #4
    Join Date
    Sep 2000
    Posts
    384
    Thanks ...Tamil.
    Radhakrishnan.M

  5. #5
    Join Date
    Oct 2000
    Posts
    57

    Bitmap index can be rebuild
    and function based index can be enable using following sql

    alter "OWNER"." Index_name"
    nologging rebuild tablespace DATA storage( initial 16384 next 57344);

    for fuction based index.

    alter index owner.index_name enable;


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