Slow Spatial Query after Upgrading Database from 10.2.0.4 to 12c (Doc ID 2045881.1)

Last updated on FEBRUARY 08, 2017

Applies to:

Oracle Spatial and Graph - Version 12.1.0.1 and later
Information in this document applies to any platform.

Symptoms

After migrating the Database to 12c spatial query are running very slow.


Changes

Steps to reproduce:
==============
1. installed a brand new 12.1.0.2 EE database with spatial option
2. manually loaded data into this database

Problem:
========
1. An insert as select is running for hours
2. The select (without insert) is also running that long
3. The same statement is completing in minutes on a 10g database

Cause

Sign In with your My Oracle Support account

Don't have a My Oracle Support account? Click to get started

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms