Blitz Report Parameter Custom LOV Duplication Validation
Description:
Blitz report parameters using custom LOVs with the same query more than once so that they should be set up as a shared LOV instead
Parameters
Category
Used tables
Categories
Related reports
CAC AP Accrual IR ISO Match Analysis
Dependencies
If you would like to try one of these Oracle EBS SQLs without having Blitz Report installed, note that some of the reports require functions from utility package xxen_util.
Example Report
Report SQL
www.enginatics.com/reports/blitz-report-parameter-custom-lov-duplication-validation/
Blitz Report™ import options
Blitz_Report_Parameter_Custom_LOV_Duplication_Validation.xml
Case Study: Blitz Report Parameter Custom LOV Duplication Validation
Executive Summary
The Blitz Report Parameter Custom LOV Duplication Validation is a maintenance and optimization tool for Oracle E-Business Suite. It identifies opportunities to refactor and streamline report definitions by detecting redundant custom List of Values (LOV) queries. The goal is to promote the use of shared LOVs, reducing maintenance overhead and ensuring consistency across the reporting landscape.
Business Challenge
In the lifecycle of report development, it is common for developers to define “Custom” LOVs directly within a report parameter using a specific SQL query. Over time, the same SQL logic (e.g., “Select all active Cost Centers”) might be pasted into dozens of different reports.
- Maintenance Nightmare: If the business logic for “Active Cost Centers” changes, developers must manually locate and update every single report that uses that specific SQL snippet.
- Inconsistency: If one report is updated and another is missed, users will see different lists of values for the same business concept.
- Redundant Storage: Storing the same SQL text multiple times bloats the metadata repository.
Solution
This report scans the Blitz Report metadata repository to identify parameters that use identical SQL queries for their LOVs but are not linked to a shared LOV definition.
- Identification: It lists all parameters where the LOV query text is duplicated across multiple reports or parameters.
- Recommendation: The output serves as a “to-do” list for developers to create a single, shared LOV (e.g., “GL Active Cost Centers”) and link all identified parameters to it.
- Standardization: Encourages a “define once, use many” architecture.
Technical Architecture
The report analyzes the xxen_report_parameters_v view. It groups parameters by their lov_query (SQL text) and filters for those where the count is greater than 1, indicating duplication.
Key Views
xxen_report_parameters_v: The source of parameter definitions and their associated LOV SQL text.
Parameters
- Category: Allows users to filter the validation check by specific report categories (e.g., “Finance”, “Supply Chain”) to prioritize cleanup efforts.
Performance
The report runs quickly as it performs a text-based aggregation on the metadata tables.
FAQ
Q: Why should I use shared LOVs instead of custom ones? A: Shared LOVs are central objects. If you need to change the logic (e.g., exclude a specific Org ID), you change it in one place, and all 50 reports using that LOV are instantly updated.
Q: Does this report automatically fix the duplicates? A: No, it is a diagnostic tool. It identifies the duplicates so a developer can decide which ones should be converted to a shared LOV.
Oracle E-Business Suite Reporting Library
We provide an open source Oracle EBS SQLs as a part of operational and project implementation support toolkits for rapid Excel reports generation.
Blitz Report™ is based on Oracle EBS forms technology, and hence requires minimal training. There are no data or performance limitations since the output files are created directly from the database without going through intermediate file formats such as XML.
Blitz Report can be used as BI Publisher and Oracle Discoverer replacement tool. Standard Oracle BI Publisher and Discoverer reports can also be imported into Blitz Report for immediate output to Excel. Typically, reports can be created and version tracked within hours instead of days. The concurrent request output automatically opens upon completion without the need for re-formatting.
The Filters, Columns, Rows and Values fields are used to create and deliver the data in pivot table format with full drill down to details.

The Excel template upload functionality in Blitz Report allows users to create their own layouts by uploading an Excel template with additional sheets and charts, automatically refreshed when the report runs again. This allows to create custom dashboards and more advanced visualizations of report data.

You can download and use Blitz Report free of charge for your first 30 reports.
The installation and implementation process usually takes less than 1 hour; you can refer to our installation and user guides for specific details.
If you would like to optimize your Oracle EBS implementation and or operational reporting you can visit www.enginatics.com to review great ideas and example usage in blog. Or why not try for yourself in our demo environment.
Useful Links
Blitz Report™ – World’s fastest data upload and reporting for Oracle EBS
Oracle Discoverer replacement – importing worksheets into Blitz Report™
Blitz Report™ Questions & Answers
Supply Chain Hub by Blitz Report™
© 2025 Enginatics