In the SQL DML manual there's a lot about placing Outer Join conditions in ON vs. WHERE.
This also includes a rewrite of an old article from the Teradata Review magazine as a case study. I remember the original title: "A lesson on outer joins learned the hard way" :-)
http://www.info.teradata.com/htmlpubs/DB_TTU_14_00/index.html#page/SQL_Reference/B035_1146_111A/ch02.033.060.html
In the SQL DML manual there's a lot about placing Outer Join conditions in ON vs. WHERE.
This also includes a rewrite of an old article from the Teradata Review magazine as a case study. I remember the original title: "A lesson on outer joins learned the hard way" :-)
http://www.info.teradata.com/htmlpubs/DB_TTU_14_00/index.html#page/SQL_Reference/B035_1146_111A/ch02.033.060.html