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Troubleshooting Distributed Query Performance Issues (Doc ID 1921358.1)

Last updated on AUGUST 04, 2018

Applies to:

Oracle Database - Enterprise Edition - Version 10.1.0.2 and later
Oracle Database - Personal Edition - Version 10.1.0.2 and later
Oracle Database - Standard Edition - Version 10.1.0.2 and later
Information in this document applies to any platform.

Purpose

 This document outlines how to approach issues with queries that involve remote objects.

For earlier version there is a legacy version of this document here:

<Document 33838.1> Determining the execution plan for a distributed query (9i and below)

 

Troubleshooting Steps

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In this Document
Purpose
Troubleshooting Steps
 How Oracle Processes Distributed Queries
 Troubleshooting Distributed Queries
 How To Determine The SQL Statement(s) Sent To The Remote Database
 Distributed Query Examples
 Example 1 - Select using 2 remote tables and 1 local table:
 Example 2 - Select using 1 remote view and 1 local table.
 Example 3 - All remote tables.
References

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