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Create LogMiner tablespace syntax

Oracle Tips by Burleson

Oracle Streams - Create the LogMiner Tablespace

Every Capture process spawns a LogMiner process. The LogMiner process and its environment use many objects which are also essential for managing Streams. Some of the LogMiner objects are used by the Streams Capture process.

By default, all LogMiner tables are created to use the SYSAUX tablespace; however, it may be desirable to have LogMiner tables use an alternate tablespace to segregate logminer tables from tables in th SYSAUX tablespace.

The creation of a LogMiner tablespace for LogMiner objects is done for easy management, not for performance, and the idea if placing "like minded" function tables into segregated tablespaces is not new.

To use an alternate LogMiner tablespace, it is recommended that the separate tablespace be created and LogMiner related objects moved to this tablespace. Oracle provides the dbms_logmnr_d.set_tablespace procedure to achieve this.

As an example, a tablespace called LOGMNR_TBS should be created. After the tablespace has been created, the dbms_logmnr_d.set_tablespace procedure should be used to move the objects to the alternate tablespace.

-- To create the tablespace

CREATE TABLESPACE
   LOGMNR_TBS
DATAFILE
    'logmnr_tbs.dbf' SIZE 25M
AUTOEXTEND ON
MAXSIZE UNLIMITED
/     


The above text is an excerpt from:

Oracle Streams
High Speed Replication and Data Sharing

ISBN 0-9745993-5-2

by Madhu Tumma
 


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