Tag Archives: ora-01555: snapshot too old: rollback segment number 3 with name _syssmu3$” too small

I will explain how to solve ORA-01555: snapshot too old: rollback segment number string with name “string” too small error.

Hi, I will explain how to solve ORA-31693 ORA-02354 ORA-01555 During Export backup error.

Hi, If you get ORA-01555: snapshot too old error when you execute any query, then you have a problem with undo management or undo tablespaces.