conversion index global index local

Hello guys, someone tell me how to convert a global index of a local index.
The only method I know is to
1 remove the global index
2. create the index even with the local keyword.

I was wondering is there any alter index statement which allows you to change the overall index to a local index?

Thank you

969224 wrote:
Hello guys, someone tell me how to convert a global index of a local index.
The only method I know is to
1 remove the global index
2. create the index even with the local keyword.

I was wondering is there any alter index statement which allows you to change the overall index to a local index?

Thank you

There is no such statement

Tags: Database

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--------------------------------------------------------------------------------------------------------------------------
| Id  | Operation                           | Name               | Rows  | Bytes | Cost (%CPU)| Time     | Pstart| Pstop |
--------------------------------------------------------------------------------------------------------------------------
|   0 | SELECT STATEMENT                    |                    |   386 | 76428 |   244   (0)| 00:00:03 |       |       |
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--------------------------------------------------------------------------------------------------------------------------
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--------------------------------------------------------------------------------------------------------------------------
|   0 | SELECT STATEMENT                    |                    |     1 |   197 |     4   (0)| 00:00:01 |       |       |
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|*  3 |    TABLE ACCESS BY LOCAL INDEX ROWID| GETS_TOOL_FAULT    |     1 |   197 |     4   (0)| 00:00:01 |    16 |    16 |
|*  4 |     INDEX RANGE SCAN                | GETS_TOOL_FAULT_N1 |     1 |       |     3   (0)| 00:00:01 |    16 |    16 |
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          PARTITION CS_RESEARCH_2007_Q4 TABLESPACE USERS,
          PARTITION CS_RESEARCH_2008_Q1 TABLESPACE USERS,
          PARTITION CS_RESEARCH_2008_Q2 TABLESPACE USERS,
          PARTITION CS_RESEARCH_2008_Q3 TABLESPACE USERS,
          PARTITION CS_RESEARCH_2008_Q4 TABLESPACE USERS,
          PARTITION CS_RESEARCH_2009_Q1 TABLESPACE USERS,
          PARTITION CS_RESEARCH_2009_Q2 TABLESPACE USERS)
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          PARTITION CS_RESEARCH_2007_Q4 TABLESPACE USERS,
          PARTITION CS_RESEARCH_2008_Q1 TABLESPACE USERS,
          PARTITION CS_RESEARCH_2008_Q2 TABLESPACE USERS,
          PARTITION CS_RESEARCH_2008_Q3 TABLESPACE USERS,
          PARTITION CS_RESEARCH_2008_Q4 TABLESPACE USERS,
          PARTITION CS_RESEARCH_2009_Q1 TABLESPACE USERS,
          PARTITION CS_RESEARCH_2009_Q2 TABLESPACE USERS)
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          PARTITION CS_RESEARCH_2008_Q1 TABLESPACE USERS,
          PARTITION CS_RESEARCH_2008_Q2 TABLESPACE USERS,
          PARTITION CS_RESEARCH_2008_Q3 TABLESPACE USERS,
          PARTITION CS_RESEARCH_2008_Q4 TABLESPACE USERS,
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          PARTITION CS_RESEARCH_2008_Q4 TABLESPACE USERS,
          PARTITION CS_RESEARCH_2009_Q1 TABLESPACE USERS,
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          PARTITION CS_RESEARCH_2008_Q2 TABLESPACE USERS,
          PARTITION CS_RESEARCH_2008_Q3 TABLESPACE USERS,
          PARTITION CS_RESEARCH_2008_Q4 TABLESPACE USERS,
          PARTITION CS_RESEARCH_2009_Q1 TABLESPACE USERS,
          PARTITION CS_RESEARCH_2009_Q2 TABLESPACE USERS)
     nologging parallel (degree 4);
Index created.
 
create unique index CSR_PRKEY_IND on YASIR.CS_RESEARCH(ORDER_NBR,ORDER_DETAIL_NBR) LOCAL
     (PARTITION CS_RESEARCH_2007_Q3 TABLESPACE USERS,
          PARTITION CS_RESEARCH_2007_Q4 TABLESPACE USERS,
          PARTITION CS_RESEARCH_2008_Q1 TABLESPACE USERS,
          PARTITION CS_RESEARCH_2008_Q2 TABLESPACE USERS,
          PARTITION CS_RESEARCH_2008_Q3 TABLESPACE USERS,
          PARTITION CS_RESEARCH_2008_Q4 TABLESPACE USERS,
          PARTITION CS_RESEARCH_2009_Q1 TABLESPACE USERS,
          PARTITION CS_RESEARCH_2009_Q2 TABLESPACE USERS)
     nologging parallel (degree 4);
ERROR at line 1:
ORA-14039: partitioning columns must form a subset of key columns of a UNIQUE
index
    Thank you
    Yasser

    YasserRACDBA wrote:
    I want to create a unique partitioned index Local and use this primary key index.

    But my main question is if this create_date column will affect all sql queries that are not used in where clause?

    Yasser,

    your main question should not be about performance queries, but the consequence of adding the CREATE_DATE to the local unique index:

    1. you change the meaning of the primary key: adding the CREATE_DATE means that the unique character of ORDER_NBR, ORDER_DETAIL_NBR is only applied by CREATE_DATE. I guess that does not match the business experience that this primary key is supposed to enforce and defeated the original purpose of the uniqueness that is unique values of ORDER_NBR, ORDER_DETAIL_NBR across the table.

    2. If you want to use as a key in other tables you must add the CREATE_DATE to all child tables, because you need to refer to the primary key complete a relationship of key foreign primary key.

    So the only 'right' way to do this is to use a unique comprehensive index on ORDER_NBR, ORDER_DETAIL_NBR. Of course, this means you must rebuild whenever a partition maintenance is carried out which invalidates the overall index since you use 8i and you cannot use the UPDATE GLOBAL INDEXES clause.

    Kind regards
    Randolf

    Oracle related blog stuff:
    http://Oracle-Randolf.blogspot.com/

    SQLTools ++ for Oracle (Open source Oracle GUI for Windows):
    http://www.sqltools-plusplus.org:7676 /.
    http://sourceforge.NET/projects/SQLT-pp/

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