DBA Index Columns – Oracle EBS SQL Report

Oracle E-Business Suite SQL report from the Enginatics Library powered by Blitz Report™. Oracle EBS module: Database Administration · all Database Administration reports

Overview

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Report Parameters

Table Name starts with

Oracle EBS Tables Used

dba_objects, dba_indexes, dba_ind_columns

Report Categories

Enginatics

Related Reports

DBA Segments, DBA ORDS Configuration Validation, DBA SGA Active Session History, Blitz Report Custom Reports Converter, DBA Result Cache Objects and Dependencies, DBA AWR Active Session History

Running This SQL Without Blitz Report

The SQL source can be run in any SQL client. Some Oracle EBS SQL reports in this library use functions from the utility package xxen_util – install it first. Blitz Report™ adds parameters, Excel output with pivots, scheduling and security on top.

Download & Import Options

Resource	Link
Excel Example Output	DBA Index Columns 22-Dec-2025 084146.xlsx
Blitz Report™ XML Import	DBA_Index_Columns.xml
SQL Source	DBA Index Columns.sql
Full Report on Enginatics	www.enginatics.com/reports/dba-index-columns/

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.

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