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ORA-1555 generated when trying to decrease column length (Doc ID 2918450.1)

Last updated on JANUARY 03, 2023

Applies to:

Oracle Database - Enterprise Edition - Version 12.1.0.2 to 19.17.0.0.0 [Release 12.1 to 19]
Information in this document applies to any platform.

Symptoms

ORA-1555 is generated when trying to decrease column length.

Ex:

ORA-01555 caused by SQL statement below (SQL ID: 3gp069h1yfas1, Query Duration=3289 sec, SCN: 0x0002.32ecf879):

Changes

 Trying to decrease the column length using the following query.

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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