How to improve the query performance without taking the
collect statistics? In explain plan i have 'NO CONFIDENT'.

Answers were Sorted based on User's Feedback



How to improve the query performance without taking the collect statistics? In explain plan i have..

Answer / yuvaevergreen

Probably, we can try splitting the query by using volatile tables and tuning the query.

Is This Answer Correct ?    2 Yes 0 No

How to improve the query performance without taking the collect statistics? In explain plan i have..

Answer / tdguy

Use execution plan and try to analyze the execution steps.
Try to tune the query. Use secondary index or join index
appropriately, if necessary.

Is This Answer Correct ?    2 Yes 0 No

Post New Answer

More Teradata Interview Questions

What are two examples of an OLTP environment?

4 Answers  


Mention a few of the ETL tools that come under Teradata.

0 Answers  


What is the difference between fastload and multiload?

0 Answers  


What is teradata? Also, list out some of the primary characteristics of teradata.

0 Answers  


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

0 Answers  


What is the syntax for case when statement?

0 Answers  


What do high confidence, low confidence and no confidence mean in explain plan?

0 Answers  


What's the syntax of sub string?

1 Answers  


What are the things to be considered while creating secondary index?

0 Answers  


What are some primary characteristics of teradata?

0 Answers  


we have two tables emp,dept.emp has eno,ename,sal and dept has deptno,dname.how to find maxsal of each dept wise.which join used for joining.

5 Answers   Accenture, Cognizant,


what is a multi statement request in TD? what is the diif b/w V2R5 & TD12? what is the diff b/w MACRO & STORED PROCEDURE?

3 Answers   HCL,


Categories