2899056 - ORA-01555 with duration=0

The error ORA-01555 occurs in alert log and the duration is 0.

The alert log shows:

ORA-01555 caused by SQL statement below (SQL ID: <sql_id>, Query Duration=0 sec, SCN: 0x002b.3666a005)

• Oracle RDBMS
• Not restricted to any SAP product or OS platform

ORA-01555, snapshot too old, undo tablespace, long-running query, read consistency, undo management, undo tablespace size, issue, timeout, query failure, undo segments, undo retention, delete undo, versioning error, data snapshot, data version, hot backup, 4.1 and higher , KBA , BC-DB-ORA , Oracle , Problem