HOw Hash Partion Works

Thank you in Advance

i have doubts on Hash Partion TEch Could please give me the
clear understandable notation

example

e_id,dept_no
1,10
2,10
3,20
4,20
5,30
6,40

i have TWo Nodes/Three Nodes

My questions are:

1).if i select hash key as e_id how Hash partion will
distribute the data in to two NOdes/three NOdes
2).if i select hash key as dept_no how Hash partion will
distribute the data in to two NOdes/three NOdes


sivakumar.katta7@gmail.com

Answer Posted / pranay

i don't know y some one ticked my ans as wrong, please give me explanation, n correct ans if i'm not correct. don't tick blindly as no.

Harikrishna, ur ans is correct if it is 4 node configuration and dept_no is key column, read the question properly he asked (1) 2 or 3 node and key column as e_id
(2) 2 or 3 node and key column is dept_id

Is This Answer Correct ?    0 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is the use of datastage director?

586


Describe routines in datastage? Enlist various types of routines.

579


Difference between data warehousing and olap?

650


what is the custome stage in datastage? how can we impliment that one? plz tell me

1909


What is the difference between hashfile and sequential file?

716






What are the components of datastage?

646


How do you import and export the datastage jobs?

735


What is data partitioning?

739


How can one find bugs in job sequence?

781


how to export or import the jobs in .ISX file

714


What is the project in datastage?

665


What is the difference between server job and parallel jobs?

662


Explain the datastage parallel extender (px) or enterprise edition (ee)?

724


What is the use of datastage designer?

634


how to read 100 records at a time in source a) hw is it fr metadata Same and b) if metadata is nt same?

1716