Materialized Query Tables Editor (IBM DB2 LUW)

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The Materialized Query Tables Editor lets you manage the columns, base query and options for a materialized query table, and work with storage and performance settings.

To edit a materialized query table

1. Open an editor on the materialized query table. For details, see Opening an Object Editor.
2. Use the following table as a guide to understanding and modifying the settings on the tabs of this editor:

Tab	Settings and tasks
Columns	Displays the currently defined columns for the materialized Query Table. Optionally, you can Add, Insert, or Edit columns for the materialized query table.
Definition	Base Query	Lets you view the query that this materialized query table is based on.
	Materialized Query Table Options	Lets you specify an immediate or deferred Refresh, and explicitly set a Materialized Query Table as Enabled or Disabled or go with the Default. This tab also displays whether the Materialized Query Table is maintained by the system or by a user.
Performance	Tablespace Placement	Displays Table Tablespace, Index Tablespace, and Long Tablespace settings for the materialized query table.
	Log Options	Lets you select logging options: Logged initially Data Capture - Lets you select none or change to Include Longvar Columns. NOTE: If you select the Data Capture option, the table name / column name cannot be longer than 18 bytes.
	Options	Let you set the Percent Free, Locksize, Append, and Volatile settings for the materialized query table.
	Partition Columns	Use the Add and Delete buttons to manage the partition columns for the materialized query table.
Space	Page Information	Lets you view Row Count and Num. of Overflow Rows values.
	Row Information	Lets you view Num. of Pages with Rows, Num. of Pages, Percent Free values.
Comment	For details on using this tab, see Adding a Comment to an object.
Permissions	For details on using this tab, see Working with Privileges and Permissions.
Dependencies	For details on using this tab, see Working with Object Dependencies.
DDL View	For details on using this tab, see Viewing the SQL/DDL for an Object.

3. When finished, you can submit your changes. For details, see Previewing and Submitting Object Editor Changes.