Search found 25 matches

by zvika
Tue May 01, 2012 1:17 pm
Forum: Vertica Database Administration
Topic: Test Case - Vertica and "Case" in select ....
Replies: 1
Views: 11550

Test Case - Vertica and "Case" in select ....

Hi , After investigating a problematic sql I saw that when we use CASE in the select it can lead to a major decrease in performance . Here is the example : the query is explain select a12.DT_WEEK AS DT_WEEK, a11.LP_ACCOUNT_ID AS LP_ACCOUNT_ID, CASE WHEN max(CASE WHEN a11.HOT_LEAD_IND = 1 THEN 1 ELSE...
by zvika
Tue May 01, 2012 1:11 pm
Forum: Vertica Database Administration
Topic: Some info about Vertica trace
Replies: 9
Views: 28827

Re: Some info about Vertica trace

znika: Thanks for the great post! That was very informative. Do you know if the Vertica Management Console has any tie in the profiling tables? It seems like a lot a work separating out all that data on the command line. It's be nice to view in a graphical interface. From what i know Vertica consol...
by zvika
Wed Apr 25, 2012 4:10 pm
Forum: Vertica Database Administration
Topic: Some info about Vertica trace
Replies: 9
Views: 28827

Re: Some info about Vertica trace

Sure :-)

Thanks for the feedback.

another one is coming soon ... :-)
by zvika
Tue Apr 24, 2012 2:06 pm
Forum: Vertica Database Administration
Topic: Some info about Vertica trace
Replies: 9
Views: 28827

Some info about Vertica trace

Hi, I wrote a about Vertica trace. Hope you will find it helpful. Appreciate your comments. ================================= I come from Oracle Performance/Tuning World. Oracle has some great utilities that I use for tracking down problems and solving them. That's why when I approached Vertica I fi...

Go to advanced search