Tip 1 : Ignore the SQ SQL Override conditionallyIt is possible by defining a mapping parameter for the WHERE clause of the SQL Override. When you need all records from the source, define this parameter as 1=1 in theparameter file and in case you need only selected data, set the parameter accordingly.Tip 2 : Overcome size limit for a SQL Override in a PowerCenter mappingThe SQL editor for SQL query overrides has a limit of maximum of 32,767 characters.To overcome this we can do followingTo source a SQL of more than 32,767 characters do the following:1....