Archive for March 5th, 2012

You are browsing the archives of 2012 March 05.

Oracle: Snapshot too old?

Oracle: Snapshot too old?

Okay, so you have received the Oracle error ORA-01555 Snapshot Too Old and have no clue how to go about resolving it? This post is made for you then. (The first time an application developer has written about this rather than a DBA.) First, why does this occur? When you run a query, Oracle retains [...]