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Tag Archives: ORA-01555

Data Pump Export process ends with ORA-31693, ORA-02354 and ORA-01555 errors

dbtut February 21, 2019 ORACLE 1

When taking a backup with Expdp, it can be terminated with ORA-31693, ORA-02354 and ORA-01555 errors when it comes to a table with a lob …

ORA-01555 Snapshot Too Old / ORA-30036: unable to extend segment by string in undo tablespace

dbtut July 4, 2018 ORACLE 0

ORA-01555 Snapshot Too Old The “ORA-01555 Snapshot Too Old” error usually comes in long-running queries. In Oracle, previous changes of the data are retained in …