Oracle Tablespace Editor

Use the Oracle Tablespace Editor to add or modify tablespace properties.

You can open the Oracle Tablespace Editor in one of the following ways:

  • Select Tablespaces from the Database menu
  • Right-click a tablespace in the Model Explorer and select Properties
  • Click a tablespace in the Model Explorer and click the Property Editor icon

Tablespaces are supported in the following features:

  • Forward Engineering
  • Reverse Engineering

The following properties are applicable to an Oracle Tablespace object.

Tab

Property

Description

Additional Information

 

Tablespace Set

Specifies whether the tablespace is a part of a tablespace set  
  Type Specifies the tablespace type

Undo: Indicates that the tablespace manages undo data in case your database runs in automatic undo management mode

Temporary: Indicates that the tablespace holds schema objects only for the duration of the session

Permanent: Indicates that the tablespace holds persistent schema objects

  System Type Specifies whether the tablespace is a locally managed system or an auxiliary system tablespace  
  Generate Specifies whether a SQL statement for the tablespace is generated during forward engineering  

General

Storage File Type

Specifies whether the tablespace is a bigfile or smallfile tablespace

Big: Indicates that the tablespace contains only one data file or temp file

Small: Indicates that the tablespace can contain 1022 data files or temp files

Tablespace Group Specifies the tablespace group of which the tablespace is a member Available only when Type is set to Temporary
Local Temporaray Tablespace Node Specifies whether separate, nonshared temp files are created for all or only leaf nodes of a cluster environment Available only when Type is set to Temporary

Min Extents

Specifies the minimum size of an extent in the tablespace Available only when Type is set to Permanent

Min Extent Data Unit

Specifies the data unit of the Min Extents value

Available only when Type is set to Permanent

Indicates whether the data unit is kilobytes (K), megabytes (M), gigabytes (G), terabytes (T), petabytes (P), or exabytes (E)

Read Only Specifies whether the tablespace is read-only Available only when Type is set to Permanent
Block Size Specifies a nonstandard block size Available only when Type is set to Permanent
Data Unit Specifies the data unit of the Block Size value Available only when Type is set to Permanent

Logging

Specifies the logging setting for tables, indexes, materialized views, materialized view logs, and partitions within the tablespace

Available only when Type is set to Permanent

Logging: Indicates whether the creation of a database object and the subsequent inserts into the object are logged in the redo log file

No Logging: Indicates whether the creation of a database object and the subsequent conventional inserts into the object are logged in the redo log file

File System Like Logging: Indicates whether only metadata changes are logged

Force Logging Specifies whether force logging is enabled for the tablespace and all changes to all objects are logged except temporary segments

Available only when Type is set to Permanent

This setting overrides the No Logging setting of individual objects

Table Compression Specifies the default compression for tables within the tablespace Available only when Type is set to Permanent
Index Compression Specifies the default compression for indexes within the tablespace Available only when Type is set to Permanent
Offline Specifies whether the tablespace is available for use immediately after its creation Available only when Type is set to Permanent or Undo
Extent Management Type Specifies the mechanism for managing extents of the tablespace

 

Segment Management Type Specifies whether the used and free space in the segments in the tablespace is tracked using free lists or bitmaps

Available only when Type is set to Permanent

Auto: Indicates that bitmaps are used for tracking

Manual: Indicates that free lists are used for tracking

Flashback Mode Specifies whether the tablespace can participate in FLASHBACK DATABASE operations Available only when Type is set to Permanent
Retention Specifies whether unexpired undo data in all undo segments of tablespace is preserved

Available only when Type is set to Undo

Guarantee: Indicates that unexpired undo data is preserved even if ongoing operations that need undo space fail

No Guarantee: Indicates that the undo space occupied by unexpired undo data is used by ongoing operations if necessary

Encryption Algorithm Specifies the encryption algorithm to be used in case the tablespace is encrypted  
Is Encrypted Specifies whether the tablespace is encrypted  

The Oracle Tablespace Editor also includes the following tabs:

  • Storage Enter the storage properties for the tablespace.

  • File Enter tablespace files and modify tablespace file properties.

  • Dependencies Displays the dependencies of the tablespace.

  • Comment Lets you enter any comments that you want to associate with the object.

  • UDP Lets you enter user-defined property values for the object.

  • Notes Lets you view or edit user notes.