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Query

Discussion List

• 
  Can you send a query to multiple subclusters?

  Answered GaryG 8 views 1 comment 0 points Most recent by skeswani April 3General Discussion
• 
  When to resegment/broadcast?

  Answered kxu 28 views 3 comments 0 points Most recent by cp00634326 April 3General Discussion
• 
  Different effects when dropping/adding nodes between Eon and Enterprise Modes?

  Question GaryG 5 views 0 comments 0 points Started by GaryG April 3 General Discussion
• 
  Selectively retaining data from data collectors

  Answered kxu 7 views 1 comment 0 points Most recent by ChuckB April 3General Discussion
• 
  Does ordering by lots of columns hurt performance?

  Answered mcellio 28 views 3 comments 0 points Most recent by ChuckB April 2General Discussion
• 
  Where can I find documentation for query performance and resource pools?

  Answered rjs_docs 37 views 2 comments 0 points Most recent by rjs_docs April 2General Discussion
• 
  Hints with pre-ANSI joins

  Answered kxu 10 views 1 comment 0 points Most recent by ChuckB April 2General Discussion
• 
  How many projections used per query?

  Answered DreaBrandford 10 views 2 comments 0 points Most recent by DaveT April 2General Discussion
• 
  SELECT statement performance improvements?

  Answered rjs_docs 18 views 1 comment 0 points Most recent by twall April 2General Discussion
• 
  Planned concurrency and resource pools?

  Answered mcellio 12 views 2 comments 0 points Most recent by JoeGonzalezVertDBA April 1General Discussion
• 
  What are some query performance troubleshooting tips?

  Answered rjs_docs 28 views 1 comment 0 points Most recent by baron42bba April 1General Discussion
• 
  Scheduled analyzed_statistics on a table

  Answered kxu 8 views 1 comment 0 points Most recent by baron42bba April 1General Discussion
• 
  Best practices and tips for tuning analytical functions?

  Answered rjs_docs 13 views 1 comment 0 points Most recent by baron42bba April 1General Discussion
• 
  Best practices when combining multiple fact tables?

  Answered rjs_docs 13 views 1 comment 0 points Most recent by baron42bba April 1General Discussion
• 
  What are some guidelines for measuring query performance for my environment?

  Answered rjs_docs 16 views 1 comment 0 points Most recent by skamat April 1General Discussion
• 
  Memory usage and joins

  Answered kxu 10 views 1 comment 0 points Most recent by skamat April 1General Discussion
• 
  Is it possible to filter user queries based on cost?

  Answered GaryG 15 views 1 comment 0 points Most recent by ChuckB April 1General Discussion
• 
  How does a projection's ORDER BY clause impact performance?

  Answered rjs_docs 14 views 1 comment 0 points Most recent by ChuckB April 1General Discussion
• 
  Can I run an EXPLAIN query plan that rejects the query plan based on the returned Cost?

  Answered rjs_docs 14 views 1 comment 0 points Most recent by ChuckB April 1General Discussion
• 
  Optimizing a query with several joins

  Answered kxu 7 views 1 comment 0 points Most recent by ChuckB April 1General Discussion
• 
  Monitoring memory usage

  Answered kxu 9 views 1 comment 0 points Most recent by Vertica_Curtis April 1General Discussion
• 
  Ways to minimize S3 fetches and without affecting performance?

  Answered kxu 11 views 1 comment 0 points Most recent by s_crossman April 1General Discussion
• 
  JFMT hints on merge?

  Accepted Answer mcellio 12 views 2 comments 0 points Most recent by Jan_Soubusta April 1General Discussion
• 
  Tools for investigating query performance?

  Answered mcellio 13 views 1 comment 0 points Most recent by siddyash April 1General Discussion
• 
  Does an unused resource pool reserve memory?

  Answered rjs_docs 15 views 1 comment 0 points Most recent by Pan April 1General Discussion
• 
  How do I globally enable JFMT?

  Accepted Answer mcellio 11 views 1 comment 0 points Most recent by rroelke April 1General Discussion
• 
  Keeping up-to-date statistics on tables at scale

  Question kxu 9 views 0 comments 0 points Started by kxu April 1 General Discussion
• 
  Right-hand inserts and optimizer reports

  Question kxu 7 views 0 comments 0 points Started by kxu April 1 General Discussion
• 
  What are some best practices for updating table statistics?

  Question rjs_docs 10 views 0 comments 0 points Started by rjs_docs April 1 General Discussion
• 
  Viewing cluster activity during a global catalog lock

  Question kxu 3 views 0 comments 0 points Started by kxu April 1 General Discussion