Get previous column vale till it reaches another not null value - response (5) by M.Saeed Khurram

Bikky,
I dont know why my previous post is published empty. But you can get detailed information about this claues at teradata info home.
The URL is as follows:

http://www.info.teradata.com/htmlpubs/DB_TTU_14_00/index.html#page/SQL_Reference/B035_1145_111A/Ordered_Analytical_Functions.083.010.html