This demonstration shows the improved support for the MarkLogic server. The improvements include, among others, remote ... Using the XQuery Debugger for MarkLogic in oXygen XML Editor oXygen XML Editor provides a robust environment for developing and debugging XQuery applications, including those designed for MarkLogic. The integrated XQuery debugger allows you to step through your code, inspect variables, and evaluate expressions, making it easier to identify and resolve issues. Setting Up oXygen XML Editor for MarkLogic Install oXygen XML Editor: Ensure you have the latest version of oXygen installed. Connect to MarkLogic: Go to Preferences > XML > XQuery > XQuery Processor. Add a new XQuery processor for MarkLogic by specifying the connection details (host, port, and authentication). Writing Your XQuery Create a new XQuery file in oXygen. Write your XQuery code that you want to debug. Example XQuery: xquery Copy xquery version "1.0-ml"; declare function local:getBooks() { for $book in doc("/library.xml")/library/book return {$book/author/text()} {$book/price/text()} }; local:getBooks() Debugging Your XQuery Set Breakpoints: Click in the left margin next to the line numbers to set breakpoints where you want the debugger to pause. Start the Debugger: Right-click the XQuery file and select Run Debugger. Choose the appropriate MarkLogic connection if prompted. Debugging Controls: Use the debugging toolbar to control the execution: Step Over: Execute the next line of code. Step Into: Enter a function call to debug it. Step Out: Exit the current function. Continue: Resume execution until the next breakpoint. Variable Inspection: Use the Variables view to inspect the current values of variables. You can also evaluate expressions interactively in the Expression view. Viewing Output: The output of your XQuery will appear in the Output panel, allowing you to see results and any error messages. Tips for Effective Debugging Use Descriptive Variable Names: This helps you identify the purpose of variables quickly. Comment Out Sections: If you're having trouble, comment out sections of the code to isolate the issue. Test Incrementally: Run smaller pieces of your code to ensure they work before integrating them into larger functions. Conclusion The XQuery debugger in oXygen XML Editor provides a powerful environment for developing and debugging applications for MarkLogic. By utilizing breakpoints, variable inspection, and step-through execution, you can efficiently troubleshoot and refine your XQuery code. If you have specific questions or need further assistance, feel free to ask!