Creating Models › Target Servers for Physical Models › Database Property Editors › Oracle Physical Property Editors › Oracle Cluster Editor › Oracle Cluster Editor - Storage Tab

Oracle Cluster Editor - Storage Tab

The Storage tab is used for assigning storage properties for the selected cluster. The following describes the options for the Storage tab in the Oracle Cluster Editor:

TABLESPACE

A drop-down list box where you can select a tablespace from the current model to which you assign storage properties. If you need to edit the properties of a tablespace you select, click the button to open the Oracle Tablespace Editor.

Extents

Enter values for the following options for Extents:

INITIAL

Specify in bytes the size of the object's first extent. Also select a value from the drop-down list

NEXT

Specify in bytes the size of the next extent to allocate to the object, and select a value from the drop-down list.

PCTINCREASE

Specify the percent by which the third and subsequent extents grow over the preceding extent.

MINEXTENTS

Specify the total number of extents to allocate when the object is created.

Maxextents

Specifies the total number of extents, including the first, that Oracle can allocate for the object. When you select this option, select one of the following options for Maxextents:

UNLIMITED

VALUE

If you select this option, enter a value in the text box.

Space Usage

Enter values for the following options for Space Usage:

PCTFREE

Specifies the limit Oracle should use to determine when additional rows can be added. The value of this parameter is expressed as a whole number and interpreted as a percentage.

PCTUSED

Specifies the space to be reserved for each data block for future expansion. The value of this parameter is expressed as a whole number and interpreted as a percentage.

Buffer Pool

Select this check box if you want to specify a default buffer pool. When you select this option, select one of the following options:

KEEP

Puts blocks from the segment into the KEEP buffer pool.

RECYCLE

Puts blocks from the segment into the RECYCLE buffer pool.

DEFAULT

Specifies DEFAULT to indicate the default buffer pool.

Number Transactions

Enter the value for the following option for Number Transactions:

INITRANS

Specify the initial number of concurrent update transactions allocated for data blocks.

Freelists

Enter values for the following options for Freelists:

FREELISTS

For objects other than tablespaces, specify the number of free lists for each of the free list groups for the table, partition, cluster, or index.

FREE GROUPS

Specifies the number of groups of free lists for the database object you are creating.

Note: For more information about the values for these options, see your vendor's SQL documentation.