Define Informix Table Physical Storage Properties
Use the General tab in the Informix Table Editor to define table physical storage properties and to assign a table generated to a database and tablespace. This procedure assumes you are working in a physical model, with Informix defined as the target server.
To define physical storage properties for an Informix table
- Click Tables on the Model menu.
The Informix Table Editor opens.
- Select the table in the Navigation Grid that you want to define.
Note: Click New
on the toolbar to create a new table. Use the Enter filter text box to filter a very large list of tables to quickly locate the one that you want to define.
- Click the General tab.
- Select the Storage Option drop-down arrow and select one of the following storage options:
- DB Space
Specifies to assign the current table to an existing dbspace or blobspace. Assign values to the following fields:
- EXTENT_SIZE
Lets you enter a number to assign to the extent size, in kilobytes.
- NEXT_SIZE
Lets you enter a number to assign to the next (incremental) size, in kilobytes.
- LOCKMODE
Lets you specify to use either a Row lock or a Page lock.
- IN_DBSPACE
Lets you assign a dbspace to the table. Click New
to add a new dbspace or click the
button to open the Informix DBSpace Editor to work with an existing dbspace.
- Path Name
Specifies to use a UNIX or DOS pathname to determine the storage location of the current table. Enter the pathname in the PATHNAME_IN field.
- Round Robin
Specifies to fragment by Round Robin. Assign values to the following fields:
- EXTENT_SIZE
Lets you enter a number to assign to the extent size, in kilobytes.
- NEXT_SIZE
Lets you enter a number to assign to the next (incremental) size, in kilobytes.
- LOCKMODE
Lets you specify to use either a Row lock or a Page lock.
- WITH_ROWIDS
Specifies to create a row ID column when creating a partitioned table. Select the check box to enable this option.
- Expression
Specifies to fragment by Expression. Assign values to the following fields:
- EXTENT_SIZE
Lets you enter a number to assign to the extent size, in kilobytes.
- NEXT_SIZE
Lets you enter a number to assign to the next (incremental) size, in kilobytes.
- LOCKMODE
Lets you specify to use either a Row lock or a Page lock.
- WITH_ROWIDS
Specifies to create a row ID column when creating a partitioned table. Select the check box to enable this option.
- REMAINDER_IN
Lets you select the dbspace in which to store the rows that are not selected by any expression.
- (Optional) Click the Partition tab and define the partition columns.
- (Optional) Click the Synonym tab to define synonyms for the table.
- (Optional) Click the Validation tab and specify the validation rules.
- (Optional) Click the Commenttab and enter any comments that you want to associate with the object.
- (Optional) Click the Volumetrics tab and define the table volumetrics.
- (Optional) Click the SQL tab to preview the forward engineering script for a table.
- (Optional) Click the Style tab and format the font and other graphical themes used in the display of the table.
- (Optional) Click the Icon tab and specify the icon that you want to use for the table.
- (Optional) Specify the order of DDL generation in the Object Creation Order tab.
- (Optional) Click the Where Used tab to view where the object is used within the model.
- (Optional) Click the UDPtab to work with user-defined properties for the object.
- (Optional) Click the History tab to view the history information for the object.
- (Optional) Click the Notestab to view and edit user notes.
- (Optional) Click the Extended Notes tab to view or edit user notes.
- Click Close.
The table physical storage properties are assigned and the Informix Table Editor closes.
Copyright © 2018 erwin, Inc.
All rights reserved.
|
|