Changes in This Release for This Guide

The following changes apply to property graph support that is shipped with Oracle Graph Server and Client.

Oracle Graph Server and Client is required for using the property graph feature of Oracle AI Database or earlier Oracle Database versions (see Oracle Graph Server and Client Installation), and is released four times a year.

New Features in Oracle Graph Server and Client 26.4

Features That Work With Oracle AI Database 26ai and Prior Oracle Database Releases

• Added support to configure the graph client to connect to the graph server (PGX) through an HTTP proxy.

  See Configuring an HTTP Proxy for Oracle Graph Client Connections for more information.

• Added support for single-user mode and enabled authenticated non-administrators to access the Administrator Dashboard to view information about their own sessions and graphs.

  See Using the Graph Server Administrator Dashboard for more information.

• Added support for Visual Query Builder in Graph Explorer for visually constructing MATCH path patterns for SQL graph queries.

  See Visual Graph Query Builder for more information.

• Added support for selecting properties when loading a graph into memory in Graph Explorer.

  See Loading or Unloading a Database Property Graph Into or From the Graph Server (PGX) Memory for more information.

• Added support for editing, dropping and renaming graphs in Graph Explorer.

  See Graph Explorer User Interface for more information.

• Added support for filtering/ordering graphs in the tree view.

  See Graph Explorer User Interface for more information.

• Added support for assigning multiple labels on SQL property-graph vertices and edges in Modeler.

  See Assigning Multiple Labels to a Vertex or an Edge for more information.

• Added support for setting graph options when creating or updating a SQL property graph in Modeler.

  See Configuring Graph Options in Modeler for more information.

• Added support for displaying the original element ID in the graph element tooltips for vertices and edges in Graph Explorer.

  See Viewing Vertex and Edge Properties for more information.

• Added support for the following in the Styles tab of the Visualization settings in Query Editor:
  • Configuring vertex and edge styles using using dot notation to reference scalar values in nested JSON properties.
  • Configuring rule-based grouping.
  • Configuring opacity as an interpolation setting.
  • Configuring vertex image URLs from graph properties.

  See Styles Tab for more information.

• Added support to configure number and date formatting for individual vertex or edge properties.

  See General Tab for more information.

• Updated the graph legend by moving it into a modern floating panel.

  See About the Graph Visualization Legend Panel for more information.

• Added support for exporting graph visualization settings to a JSON file and importing them later.

  See Importing and Exporting Visualization Settings for more information.

• Added support to view the results of the graph visualization in full screen.

  See Graph Explorer User Interface for more information.

• Added support for the following features in the Graph Visualization Extension for VS Code:

  • Added the Property Graphs node to the connection tree view to list available SQL property graphs.
  • Added support for launching Visual Query Builder as an option from a SQL property graph in the connection tree view.
  • Added support for displaying schema visualization after graph query execution.
  • Added support for rule-based grouping, opacity as an interpolation setting, configuring vertex image URLs from graph properties, configuring nested JSON properties in rule-based style conditions in the Styles tab of Visualization settings.
  • Added support for property formatting in the General tab of the visualization settings.

  See Working with SQL Property Graphs in VS Code and Configuring Settings in Graph Visualization for VS Code for more information.

• Added support for Update, Exploration Saves, Saved Searches callbacks options in APEX Graph Visualization plug-in.

  See Callbacks Options for more information.

See Also:

• Key Property Graph Features in Oracle AI Database 26ai
  Learn about the key property graph features in Oracle AI Database 26ai.

• Deprecated Features
  Review the deprecated features in Oracle Graph Server and Client.

• Desupported Features
  Review the desupported features in Oracle Graph Server and Client.