Creating Models › Target Servers for Physical Models › Database Property Editors › Oracle Physical Property Editors › Oracle Materialized View Log Editor › Oracle Materialized View Log Editor - Physical Props Tab

Oracle Materialized View Log Editor - Physical Props Tab

Use the Physical Props tab to select physical properties for the materialized view log such as tablespace, extents, space usage, and free lists. The following describes the options available for this tab:

TABLESPACE

Select a tablespace from the drop-down list. Click the button to open the Tablespace Editor to edit any properties for the selected tablespace.

Extents

Enter a value in the following options for Extents:

INITIAL

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

NEXT

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

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

Specify the total number of extents, including the first, that Oracle can allocate for the object. If you select this check box for Maxextents, then select one of the following options:

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

Space Usage

Enter a value in the following options for Space Usage:

PCTFREE

Specify 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

Specify 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. If you select this check box, then 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

Specify DEFAULT to indicate the default buffer pool.

Number Transactions

Enter a value for the following option:

INITRANS

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

Freelists

Enter a value for the following options:

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

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

Redo log

If you select this check box, then select one of the following options:

LOGGING

NO LOGGING

Note: For more information on these parameters, see your vendor's SQL documentation.