DBA Index Columns

Description:

None

Parameters

Table Name starts with

Used tables

dba_indexes, dba_ind_columns, dba_objects

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

DBA Index Columns 22-Dec-2025 084146.xlsx

Report SQL

www.enginatics.com/reports/dba-index-columns/

Blitz Report™ import options

DBA_Index_Columns.xml

Executive Summary

The DBA Index Columns report provides a detailed view of database indexes, specifically focusing on the column order. The order of columns in a composite index is critical for performance: an index on (A, B) is very different from an index on (B, A). This report helps DBAs and developers verify that indexes support their query patterns.

Business Challenge

Query Tuning: “I have an index on (STATUS, CREATION_DATE), but the query on CREATION_DATE is still doing a full table scan. Why?” (Because STATUS is the leading column).
Redundancy Check: “Do we have duplicate indexes? (e.g., one on A and another on (A, B))”.
Design Verification: “Did the migration tool preserve the correct column ordering?”

Solution

This report joins DBA_INDEXES with DBA_IND_COLUMNS.

Key Features:

Column Position: Shows the exact order of columns (1, 2, 3…).
Uniqueness: Indicates if the index enforces a unique constraint.
Function-Based Indexes: Shows the expression used (e.g., UPPER(USER_NAME)).

Architecture

The report queries DBA_INDEXES and DBA_IND_COLUMNS.

Key Tables:

DBA_INDEXES: Index header information.
DBA_IND_COLUMNS: Column details.

Impact

Performance Optimization: Ensuring the “leading column” matches the query predicates is the #1 rule of indexing.
Storage Savings: Identifying and dropping redundant indexes saves disk space and reduces overhead on INSERT/UPDATE.
Schema Integrity: Verifies that unique constraints are properly backed by indexes.

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.

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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.

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