diff --git a/docs/en_US/developer_tools.rst b/docs/en_US/developer_tools.rst
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--- a/docs/en_US/developer_tools.rst
+++ b/docs/en_US/developer_tools.rst
@@ -14,3 +14,4 @@ PL/SQL code.
    debugger
    query_tool
    editgrid
+   schema_diff
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diff --git a/docs/en_US/preferences.rst b/docs/en_US/preferences.rst
index e29cb9d25..db63d01b4 100644
--- a/docs/en_US/preferences.rst
+++ b/docs/en_US/preferences.rst
@@ -376,6 +376,18 @@ Query Tool window navigation:
     :alt: Preferences dialog sql keyboard shortcuts section
     :align: center
 
+The Schema Diff Node
+********************
+
+Expand the *Schema Diff* node to specify your display preferences.
+
+.. image:: images/preferences_schema_diff.png
+    :alt: Preferences schema diff
+    :align: center
+
+Use the *Open in new browser tab* switch to indicate if you would like Schema Diff
+to open in a new tab.
+
 The Storage Node
 ****************
 
@@ -399,5 +411,3 @@ Use the fields on the *Options* panel to specify storage preferences.
 
 * When the *Show hidden files and folders?* switch is set to *True*, the file
   manager will display hidden files and folders.
-
-
diff --git a/docs/en_US/schema_diff.rst b/docs/en_US/schema_diff.rst
new file mode 100644
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+++ b/docs/en_US/schema_diff.rst
@@ -0,0 +1,138 @@
+.. _schema_diff_feature:
+
+********************
+`Schema Diff`:index:
+********************
+
+**Schema Diff** is a feature that allows you to compare schema objects between
+database schemas.  Use the *Tools* menu to access Schema Diff.
+
+The Schema Diff feature allows you to:
+
+ * Compare and synchronize database schemas
+
+ * Generate synchronization scripts
+
+ * Visualize the differences between database schemas
+
+ * List the differences in SQL statement for target schema objects
+
+ * Compare the database schemas (from source to target)
+
+**Note** - The source and target databases must be of the same major
+version.
+
+Click on *Schema Diff* under the *Tools* menu to open a selection panel. Choose
+the source and target servers, databases, and schemas that will be
+compared. After selecting the objects, click on the *Compare* button.
+
+You can open multiple copies of *Schema Diff* in individual tabs
+simultaneously. To close a copy of Schema Diff, click the *X* in the
+upper-right hand corner of the tab bar.
+
+.. image:: images/schema_diff_dialog.png
+    :alt: schema diff dialog
+    :align: center
+
+Use the *Preferences* dialog to specify if *Schema Diff* should open
+in a new browser tab.  To modify the *Open in new browser
+tab* option, select :ref:`*Preferences* <preferences>`
+from the *File* menu.
+
+The *Schema Diff* dialog features two panels; an upper panel and a lower panel.
+
+
+The Schema Diff Upper Panel
+===========================
+
+In the upper panel, you can select the source and target servers of the
+same major version, databases, and schemas to be compared. You can
+select any server listed under the browser tree whether it is connected or
+disconnected. If you select a server that is not connected then it will
+prompt you for the password before using the server.
+
+Next, select the databases that will be compared.  The databases can be the
+same or different (and within the same server or from different servers).
+
+Lastly, select the source and target schemas which will be compared.
+
+.. image:: images/schema_diff_compare_button.png
+    :alt: Schema diff compare button
+    :align: center
+
+After you select servers, databases, and schemas, click on the
+*Compare* button to obtain the *Comparison Result*.
+
+.. image:: images/schema_diff_comparison_results.png
+    :alt: Schema diff comparison results
+    :align: center
+
+Use the drop-down lists of Functions, Materialized Views, Tables,
+Trigger Functions, Procedures, and Views to view the DDL statements of
+all the schema objects.
+
+In the upper-right hand corner of the upper panel is a *Filter*
+option that you can use to filter the schema objects based on the
+following comparison criteria:
+
+ * Identical – If the object is found in both schemas with the same SQL statement, then the comparison result is identical.
+
+ * Different – If the object is found in both schemas but have different SQL statements, then the comparison result is different.
+
+ * Source Only – If the object is found in source schema only and not in target schema, then the comparison result is source only.
+
+ * Target Only – If the object is found in target schema only and not in source schema, then the comparison result is target only.
+
+.. image:: images/schema_diff_filter_option.png
+    :alt: Schema diff filter option
+    :align: center
+
+Click on any of the schema objects in the upper panel to
+display the DDL Statements of that object in the lower panel.
+
+
+Schema Diff Lower Panel
+=======================
+
+The *DDL Comparison* panel displays three columns:
+
+* The first column displays the DDL statement of the object from the source schema.
+
+* The second column displays the DDL statement of the object from the target schema.
+
+* The third column displays the difference in the SQL statement of the target schema object.
+
+.. image:: images/schema_diff_DDL_comparison.png
+    :alt: Schema diff DDL comparison
+    :align: center
+
+You can review the DDL statements of all the schema objects to
+check for the differences in the SQL statements.
+
+Also, you can generate the SQL script of the differences found in the
+target schema object based on the SQL statement of the source schema
+object. To generate the script, select the checkboxes of the schema
+objects in the upper panel and then click on the *Generate Script*
+button in the upper-right hand corner of the upper panel.
+
+.. image:: images/schema_diff_generate_script.png
+    :alt: Schema diff generate script
+    :align: center
+
+Select the schema objects and click on the *Generate Script*
+button to open the *Query Tool* in a new tab, with the difference
+in the SQL statement displayed in the *Query Editor*.
+
+If you have clicked on the schema object to check the difference
+generated in the *DDL Comparison* Panel, and you have not selected the
+checkbox of the schema object, PEM will open the *Query Tool* in a new
+tab, with the differences in the SQL statements displayed in the *Query Editor*.
+
+You can also use the *Copy* button to copy the difference generated in
+the *DDL Comparison* panel.
+
+.. image:: images/schema_diff_generate_script_query_editor.png
+    :alt: Schema diff generate script query editor
+    :align: center
+
+Apply the SQL Statement in the target schema to synchronize the schemas.
