double data type

vamsi.4a6 · Post by **vamsi.4a6** » Sat Dec 22, 2012 10:33 am

1)what is double data type in datastage?can anybody explain some sample data for double datatype
2)Does double and decimal datatypes have any similarities?i am confused everytime when to use double and decimal

Double data type-double-precision (64-bit) floating point
value.Not able to get what exactly it means?

chulett · Post by **chulett** » Sat Dec 22, 2012 11:15 am

All kinds of information out there on the subject that a search would turn up. Ignoring that this one is for Java (as that doesn't really matter) here is one such example.

ray.wurlod · Post by **ray.wurlod** » Sat Dec 22, 2012 4:06 pm

Another good source is Chapter 2 of Parallel Job Developer's Guide which explains how each data type is stored. Using this knowledge you can calculate row sizes and tune your jobs optimally.