The Partition Description dialog opens when you click on the Edit Properties column in the Partitions section of the Oracle Table Index Editor or the Oracle Materialized Views Index Editor Partitions tab.
The following describes the options available for the Partition Description dialog:
- TABLESPACE
-
Lets you 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
-
Lets you enter values for the following options:
- INITIAL
-
Specify in bytes the size of the object's first extent.
- NEXT
-
Specify in bytes the size of the next extent to allocate to the object.
- 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
-
Lets you specify the total number of extents, including the first, that Oracle can allocate for the object. Select one of the following options:
- UNLIMITED
- VALUE
-
Enter a value in the text box if you select this option.
- Space Usage
-
Lets you enter a value 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.
- Buffer Pool
-
Specifies to use a default buffer pool. Select one of the following options:
- KEEP
-
Specifies to put blocks from the segment into the KEEP buffer pool.
- RECYCLE
-
Specifies to put blocks from the segment into the RECYCLE buffer pool.
- DEFAULT
-
Specifies to use the default buffer pool.
- Number Transactions
-
Lets you enter values for the following options:
- INITRANS
-
Lets you specify the initial number of concurrent update transactions allocated for data blocks.
- MAXTRANS
-
Lets you specify the maximum number of concurrent update transactions allocated for data blocks.
- Freelists
-
Lets you enter values for the following options:
- FREELISTS
-
Lets you specify the number of free lists for each of the free list groups for the table, partition, cluster, or index.
- FREE GROUPS
-
Lets you specify the number of groups of free lists for the database object you are creating.
- Redo Log
-
Lets you select one of the following Redo Log options:
- LOGGING
- NO LOGGING
- Compression
-
Lets you select one of the following Compression options.
- NO COMPRESS
- COMPRESS
|
Copyright © 2020 erwin, Inc.
All rights reserved.
|
|