Can I convert my tablespaces to dictionary managed if..?

...If my system tablespace is locally managed can I convert my tablespaces to dictionary managed? If yes, can you show me how?

If you try to create or convert a tablespace to dictionary managed when the system tablespace is locally managed you will get this error:
ORA-12913 Cannot create dictionary managed tablespace
Cause: An attempt was made to create a dictionary managed tablespace in a database whose SYSTEM tablespace is locally managed.
Action: Create a locally managed tablespace.
Joel Pérez
http://www.oracle.com/technology/experts

Similar Messages

  • Convert a tablespace to local managed

    Is it possible to have a local managed tablespace and convert it to dictionary managed?

    Really I have not seen that posibility directly with a command but you could check the ALTER TABLESPACE command but remember that you could do this:
    1.- Create a tablespace dictionary managed if the system tablespace is not locally managed
    2.- Move all tables and indexes to that tablespace found in the another tablespace.
    Joel Pérez
    http://otn.oracle.com/experts

  • Explain local manage tablespace and dictionary manage tablespace

    hi all,
    kindly help me to understand local manage and dictionary manage tablespace
    i have read search result and oracle corporation book still unable to understand
    what i know that local is managed by bitmap(no redo) and dictionary is managed by dictionary(generates redo) plz explain this as well
    and also suggest me some documentation.
    thanks
    Navin

    Navin,
    These are excerpts from Oracle documentation
    Dictionary Managed Tablespace_
    If you created your database with an earlier version of Oracle, then you could be using dictionary managed tablespaces. For a tablespace that uses the data dictionary to manage its extents, Oracle updates the appropriate tables in the data dictionary whenever an extent is allocated or freed for reuse. Oracle also stores rollback information about each update of the dictionary tables. Because dictionary tables and rollback segments are part of the database, the space that they occupy is subject to the same space management operations as all other data.
    Lcaolly Managed Tablesapce_
    A tablespace that manages its own extents maintains a bitmap in each datafile to keep track of the free or used status of blocks in that datafile. Each bit in the bitmap corresponds to a block or a group of blocks. When an extent is allocated or freed for reuse, Oracle changes the bitmap values to show the new status of the blocks. These changes do not generate rollback information because they do not update tables in the data dictionary (except for special cases such as tablespace quota information).
    Locally managed tablespaces have the following advantages over dictionary managed tablespaces:
    Local management of extents automatically tracks adjacent free space, eliminating the need to coalesce free extents.
    Local management of extents avoids recursive space management operations. Such recursive operations can occur in dictionary managed tablespaces if consuming or releasing space in an extent results in another operation that consumes or releases space in a data dictionary table or rollback segment.
    The sizes of extents that are managed locally can be determined automatically by the system. Alternatively, all extents can have the same size in a locally managed tablespace and override object storage options.
    http://download.oracle.com/docs/cd/B19306_01/server.102/b14220/physical.htm#sthref518
    Regards

  • Couldn't create dictionary managed tablespace

    In Oracle9i release 2 I couldn't create tablespace of type dictionary managed
    is there someway to do it???

    This is just one of the RESTRICTIONS of Having a Locally Managed SYSTEM Tablespace. Dictionary managed tablespaces can not be created in a database with a locally managed SYSTEM tablespace.

  • Is it possible to rename dictionary managed tablespace in oracle 10g?

    Hi,
    Assume my system tablespace is dictionary managed in oracle 10g and one of my permanent tablespace is dictionary managed.
    Pls let me know that permanent dictionary managed tablespace can be renamed or not using rename tablespace command or only locally managed tablespaces can be renamed?
    thanks,
    DB

    Hi Guys,
    thanks for the replies.
    As suggested, i created a database with dictionary managed system tablespace and users tablespace .
    I was able to rename users tablespace to users_test.
    Eventhough dictionary managed tablespace is deprecated in oracle 10g, it will be better if they just add a line in the 10gR2 documentation under renaming tablespaces section that dictionary managed tablespaces also can be renamed.
    SQL> alter tablespace users rename to users_test;
    Tablespace altered.
    SQL> select tablespace_name,extent_management from dba_tablespaces;
    TABLESPACE_NAME EXTENT_MAN
    SYSTEM DICTIONARY
    UNDOTBS1 LOCAL
    SYSAUX LOCAL
    TEMP LOCAL
    USERS_TEST DICTIONARY
    SQL> select * from v$instance;
    INSTANCE_NUMBER INSTANCE_NAME HOST_NAME VERSION
    1 dictest XXXXXX 10.2.0.1.0

  • Create a dictionary managed tablespace  error.

    When I use the following script to create a tablespace.
    create tablespace DATA01
    datafile 'c:\oracle\oradata\orawin2k\U04\data01.dbf' size 2M
    EXTENT MANAGEMENT DICTIONARY;
    But the oracle return this error.
    ORA-12913: Cannot create dictionary managed table.
    My Oracle Server is 9i Release in Window 2000.
    Does any one know why? Please Help.

    Check with docu: Oracle9i Database Error Messages
    Error means "An attempt was made to create a dictionary managed tablespace in a database whose SYSTEM tablespace is locally managed."
    So you can't create any DMTs.

  • Can UNDO tablespace be locally managed?

    I read in the Oracle 9i Administrators guide that the SYSTEM tablespace can ONLY be dictionary managed. You do not have the option of having it locally managed. Is this the same for the UNDO tablespace? I couldn't find it anywhere in the Admin guide, one way or the other.
    Michael

    UNDO_TABLESPACE
    Parameter type
    String
    Syntax
    UNDO_TABLESPACE = undoname
    Default value
    The first available undo tablespace in the database.
    Parameter class
    Dynamic: ALTER SYSTEM
    Range of values
    Legal name of an existing undo tablespace
    Real Application Clusters
    Multiple instances can have different values.
    UNDO_TABLESPACE specifies the undo tablespace to be used when an instance starts up. If this parameter is specified when the instance is in manual undo management mode, an error will occur and startup will fail.
    If the UNDO_TABLESPACE parameter is omitted, the first available undo tablespace in the database is chosen. If no undo tablespace is available, the instance will start without an undo tablespace. In such cases, user transactions will be executed using the SYSTEM rollback segment. You should avoid running in this mode under normal circumstances.
    You can replace an undo tablespace with another undo tablespace while the instance is running.
    See Also:
    Oracle9i SQL Reference.
    http://download-west.oracle.com/docs/cd/B10501_01/server.920/a96536/ch1218.htm#REFRN10227
    http://download-west.oracle.com/docs/cd/B10501_01/server.920/a96540/toc.htm
    Joel P�rez

  • ORA-12913: Cannot create dictionary managed tablespace

    I am using the following statement:
    CREATE TABLESPACE data01
    DATAFILE 'D:\ORACLE\ORADATA\SSR\data01.dbf' SIZE 2M
    EXTENT MANAGEMENT DICTIONARY;
    and I get the following error message:
    ORA-12913: Cannot create dictionary managed tablespace
    If I take off EXTENT MANAGEMENT DICTIONARY, the statement executes. What am I doing wrong?

    Details about create a tablespace:
    CREATE TABLESPACE
    Purpose
    Use the CREATE TABLESPACE statement to create a tablespace, which is an allocation of space in the database that can contain persistent schema objects.
    When you create a tablespace, it is initially a read/write tablespace. You can subsequently use the ALTER TABLESPACE statement to take the tablespace offline or online, add datafiles to it, or make it a read-only tablespace.
    You can also drop a tablespace from the database with the DROP TABLESPACE statement.
    You can use the CREATE TEMPORARY TABLESPACE statement to create tablespaces that contain schema objects only for the duration of a session.
    See Also:
    Oracle9i Database Concepts for information on tablespaces
    ALTER TABLESPACE for information on modifying tablespaces
    DROP TABLESPACE for information on dropping tablespaces
    CREATE TEMPORARY TABLESPACE
    http://download-west.oracle.com/docs/cd/B10501_01/server.920/a96540/statements_74a.htm#SQLRF01403
    Joel P�rez

  • Dictionary manage tablespace in 11 version

    Hi,
    Is it possible to create Dictionary manage tablespace in oracle 11 version
    I try as below and get error
    SQL> CREATE TABLESPACE test111
    2 DATAFILE 'd:\test1\test1userdata01.dbf' SIZE 50M
    3 EXTENT MANAGEMENT DICTIONARY
    4 DEFAULT STORAGE ( initial 1M NEXT 1M );
    CREATE TABLESPACE test111
    ORA-12913:      Cannot create dictionary managed tablespace
    Can I create Dictionary manage tablespace in oracle 10 version?

    iruss wrote:
    Hi,
    Is it possible to create Dictionary manage tablespace in oracle 11 version
    I try as below and get error
    SQL> CREATE TABLESPACE test111
    2 DATAFILE 'd:\test1\test1userdata01.dbf' SIZE 50M
    3 EXTENT MANAGEMENT DICTIONARY
    4 DEFAULT STORAGE ( initial 1M NEXT 1M );
    CREATE TABLESPACE test111
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  • Move Table on Ora 9.2 from tablespace to another (dictionary managed)

    Hello,
    is it possible to move tables with brtools from dictionary managed tablespace to another dictionary managed tablespace on Oracle 9.2 ?

    Hello Axel,
    this is a case where the BRSPACE error is not nice, because you have no easy chance to move this one table to a LMTS tablespace. In this case I would propose you to execute ALTER TABLE MOVE directly on Oracle side:
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    Afterwards all indexes of the table have to be rebuilt in order to validate them again:
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    Martin

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  • Can object max_extents exceed Tablespace Max_extents limit

    Hi Folks,
    My database version is 8.1.7.0.
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    If i alter the object max_extents the isssue will be resolved.
    But, my doubt is if my existing tablespace, max_extent is 500 can my object max_extents exceed it..??
    Thanks a lot..!!
    Regards,
    Nik.

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    Hello,
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    I have two questions:
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    Guys, try answering the direct questions instead of telling me that LMT is better, as I wrote above, there is a functional problem in my application that currently can not use it.
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    Here's the appropriate section of the Database Concepts guide.
    http://download-west.oracle.com/docs/cd/B10501_01/server.920/a96524/c04space.htm#1003

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