Concepts
Understanding Update Maps
    ... The target box
    ... For each blocks
    ... Update blocks
    ... The return key block
    ... Customization

Customizing Update Maps
How-to...
    Change a Mapping
    Remove a Mapping
    Revert Customizations
    Add a Condition to an Update Block
    Add Update Map Procedures
    Determine the Scope of a Variable
    ... Update a Foreign Key Value Mapped Using fn-bea:coalesce-equal
Reference
    Update Map Function Reference
    ... fn-bea:coalesce-equal
    ... fn-bea:coalesce
    ... fn-bea:value
    ... fn-bea:ambiguous

Handling Errors and Warnings
How-to...
    Recognize When Something is Wrong
    Understand Mappings with Different Data Types
    Cast Using a Built-In XQuery Function
    Cast Using a Custom XQuery Function
    Test an Update Map Cast
    Handle Disabled Procedures in Underlying Data Sources
    Handle Non-Unique Joins
    Handle Non-Unique Values
    Handle Unmapped Required Values

Testing Update Maps
How-to...
    Test an Update Procedure

Related Topics
How-to...
    Enable Optimistic Locking
    Test a Read Function and Simple Update