SELECT when main table contains NULL and you are attempting a JOIN

• tim8w

  Old Hand

  Points: 372

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  March 30, 2022 at 5:14 pm

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  #4008349

  Hi,

  My Main Table looks like this:

  

  My Lookup Tables look like this:

  

  I want to do a SELECT such that the resulting Table looks like this:

  

  So basically I want to maintain the NULLs after the SELECT.

  • This topic was modified 2 years, 1 month ago by  tim8w. Reason: typo

• ratbak

  Ten Centuries

  Points: 1334

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  March 30, 2022 at 6:57 pm

  Answer

  #4008419

  Use LEFT OUTER JOIN to the lookup tables.