Is PK concept available in Teradata. If it is how can we
create Primary Key for a table in TD

Answer Posted / tdguy

PK is a logical concept and not mandatory in TD. But PI is
mandatory as the distribution of data is completely
dependent on PI. Choice of PI is very important and can
contain upto 16 columns.

Is This Answer Correct ?    3 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What are the joins in teradata and how many types of joins are there in teradata?

584


Mention the procedure via which, we can run Teradata jobs in a UNIX environment.

580


If Fast Load Script fails and only the error tables are made available to you, then how will you restart?

643


What are the uses of client software involved in teradata?

542


What is meant by a Parsing Engine?

717






Explain amp in teradata?

583


How can you track login parameters of users in teradata?

641


What is a clique?

594


Highlight the advantages of PPI(Partition Primary Index).

567


In the Primary Index, what is the score of AMPs that are actively involved?

588


What is logical data model?

650


What do you mean by tpt in teradata?

599


What are the functions of a Parser?

622


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?

652


What are the advantages of teradata?

610