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Oracle 10g Free Training - Managing Tablespaces
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Oracle 10g Free Training - Managing Tablespaces : This tutorial provides detailed steps about Managing Tablespaces, Altering Tablespace , Creating an ‘Undo’ tablespace and Renaming a Tablespace using SQL Plus, Using iSQL Plus and Enterprise Manager.

Oracle 10g Free Training - Managing Tablespaces

Altering Tablespace Availability

a) Using SQL Plus:

1. Type the following command on the SQL prompt (figure 3):
ALTER TABLESPACE "TESTTBLSPC" OFFLINE NORMAL;

Figure -3 Altering Tablespace Availability using SQL Plus

b) Using iSQL Plus:

1. On the ‘Workspace’ tab (figure 4), enter the following command:
ALTER TABLESPACE "TESTTBLSPC" OFFLINE NORMAL

Figure -4 Altering Tablespace Availability using iSQL Plus

c) Using Enterprise Manager :

Oracle Enterprise Manager can be used to take an online tablespace offline so that a portion of the database is temporarily unavailable for general use. The rest of the database is open and available for users to access data. Conversely, you can bring an offline tablespace online to make the schema objects within the tablespace available to database users.

Availability of a tablespace can be changed using the following steps:

1. In the Enterprise Manager, navigate to ‘Administration > Tablespaces’.

2. Enter the name of the tablespace that you want to alter and click ‘Go’ (figure 15). For more details on offline tablespaces, refer to the section ‘Creating Tablespaces using Enterprise Manager > Status’.

Figure -15 Search Tablespace Window

3. In the ‘Results’ region, select the tablespace name and click ‘Edit’ (figure 15).

4. In the status region, select the ‘Offline’ option (figure 16).

Figure -16 Edit Tablespace Window

5. Click ‘Apply’ to modify the availability.



 
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