Oracle Maestro online help
Materialized Vews
A materialized view is a database object that contains the results of a query. The FROM clause of the query can name tables, views, and other materialized views. Collectively these objects are called master tables (a replication term) or detail tables (a data warehousing term). This reference uses "master tables" for consistency. The databases containing the master tables are called the master databases.
New materialized views are created within Create Materialized view Wizard. In order to run the wizard you should either
| • | select the Object | Create Database Object... main menu item; |
| • | select the Materialized view icon in the Create Database Object dialog |
or
| • | select the Materialized view list or any object from that list in the explorer tree; |
| • | select the Create New Materialized view... item from the popup menu |
or
| • | open the schema in Schema Editor and the Materialized view tab there; |
| • | press the Insert key or select the Create New Materialized view item from the popup menu (alternatively, you may use the corresponding link of the Navigation Bar). |
To create a new materialized view with the same properties as one of the existing defaults has:
| • | select the Object | Duplicate Database Object... main menu item; |
| • | follow the instructions of Duplicate Object Wizard. |
|
Materialized views can be edited within Materialized view Editor. In order to run the editor you should either
| • | select the materialized view for editing in the explorer tree (type the first letters of the materialized view name for quick search); |
| • | select the Edit Materialized view ... item from the popup menu |
or
| • | open the schema in Schema Editor and the Materialized view tab there; |
| • | select the materialized view to edit; |
| • | press the Enter key or select the Edit Materialized view item from the popup menu (alternatively, you may use the corresponding link of the Navigation Bar). |
You can change the name of the materialized view using the Rename Materialized view dialog. To open the dialog you should either
| • | select the materialized view to rename in the explorer tree; |
| • | select the Rename Materialized view item from the popup menu |
or
| • | open the schema in Schema Editor and the Materialized view tab there; |
| • | select the materialized view to rename; |
| • | select the Rename Materialized view item from the popup menu (alternatively, you may use the corresponding link of the Navigation Bar). |
|
To drop a materialized view:
| • | select the materialized view to drop in the explorer tree; |
| • | select the Drop Materialized view item from the popup menu |
or
| • | open the schema in Schema Editor and the Materialized view tab there; |
| • | select the materialized view to drop; |
| • | press the Delete key or select the Drop Materialized view item from the popup menu (alternatively, you may use the corresponding link of the Navigation Bar) |
and confirm dropping in the dialog window.
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