A fix is available
APAR status
Closed as program error.
Error description
When attempting to ALTER COLUMN on base table with active versioning, run job fails with SQLCODE = -20180.
Local fix
Problem summary
**************************************************************** * USERS AFFECTED: Users of Db2 Administration Tool for z/OS * * and Db2 Object Comparison Tool for z/OS * **************************************************************** * PROBLEM DESCRIPTION: Object Compare fails with SQLCODE * * -20180 when generating an ALTER * * COLUMN SET DEFAULT statement for a * * temporal table. * **************************************************************** When Object Comparison Tool is used to generate an ALTER COLUMN SET DEFAULT statement for a temporal table, the apply job fails with SQLCODE -20180. This error is due to versioning being active on the temporal table when the ALTER COLUMN statement is executed. Keyword: SQLN20180 TEMPORAL
Problem conclusion
The problem has been fixed.
Temporary fix
Comments
APAR Information
APAR number
PH70397
Reported component name
DB2 ADMIN TOOL
Reported component ID
568851500
Reported release
D10
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2026-03-04
Closed date
2026-06-15
Last modified date
2026-07-02
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
UO08227
Modules/Macros
ADB2CMT
Fix information
Fixed component name
DB2 ADMIN TOOL
Fixed component ID
568851500
Applicable component levels
RD10 PSY UO08223
UP26/07/02 P F606
Fix is available
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Document Information
Modified date:
02 July 2026