What is Difference b/w PI & PPI?how to implement PPI?

Answer Posted / yuvaevergreen

PI is used for creating hash values and in turn, affects the
distribution of the rows across the amps. PPI is used to
partition the rows based on range of values. PPI is not
mandatory whereas PI is mandatory. PPI is generally used for
enhanced range processing. PPI can be used to avoid FTS,
thereby increasing the performance.

Is This Answer Correct ?    2 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

How do you create tables? Exact syntax, and create profiles, users in teradata?

563


There is a column with date in it. If I want to get just month how it can be done? Can I use sub string?

647


What is meant by a Clique?

590


How teradata makes sure that there are no duplicate rows being inserted when its a set table?

564


What is spool space?

608






How you will check the version of teradata?

591


Explain teradata utilities?

572


What is teradata?

648


Highlight a few of the important components of Teradata?

591


what is object level locking ? where do appear this type of locking ?

3117


What are default access rights in teradata?

632


A certain load is being imposed on the table and that too, every hour. The traffic in the morning is relatively low, and that of the night is very high. As per this situation, which is the most advisable utility and how is that utility supposed to be loaded?

691


How can you track login parameters of users in teradata?

638


What are the different methods ot loading a dimension table? A fact table etc?

578


Steps to create a data model?

665