This view contains features that display diagrams, help
you to navigate through diagrams, and understand the nodes in diagrams.
Figure 1. Access Plan Diagram view
The Access Plan Diagram view has three sections.
- The first section contains buttons for the following actions:
Table 1. Actions that you can take by clicking
these buttonsAction |
Button |
Open a saved diagram To open the Access Plan
Diagram view so that you can open a saved diagram, select Window > Show
View > Other. In the Show
View window, select Data > Access
Plan Diagram.
|
|
Save the diagram Note: On Linux, Visual Explain appends the extension
.xml to the file name automatically.
|
|
View the SQL or XPATH statement |
|
Zoom in |
|
Zoom out |
|
Scale the diagram to fit the Canvas |
|
Flip the diagram horizontally |
|
Flip the diagram vertically |
|
Print the entire diagram or only a portion that
you selected |
|
- The second section contains three panes:
- The Overview of Diagram pane helps you
to navigate through a diagram.
- The Description of Selected Node pane lists
the data elements and the associated predicates of the selected node.
- The Search for Node pane lets you search
for a node in a diagram.
- The third section contains the Canvas,
which displays diagrams of access plans. These diagrams show the operations
that data servers require to derive the results of SQL, XPATH, or
XQUERY statements.