In general, how do you optimze any SQL in Teradata?

devquora
devquora

Posted On: Jun 16, 2021

 

You can optimize any SQL in Teradata with the help of the following effective optimization tricks:

  • Avoid multiple Joins to the same Table
  • Avoid functions in Equi-Join Conditions
  • Avoid the usage of UNION
  • Avoid GROUP BY over Expressions
  • Divide large Teradata SQL queries into smaller ones
  • Consider the creation of additional statistics and indexes.

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