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I have the following query:

SELECT T2.Title 
FROM TitleTable T1
    INNER JOIN TitleTable T2 ON T2.FKID1 = T1.FKID1
    AND T2.FKID2 = @ID_PARAM2 
    AND CONTAINS(T1.Title, '"' + @SINGLE_WORD_PARAM +'"')

Title is of type NVARCHAR(100). All the IDs are INT.

My Execution Plan is such that it is using the Key Lookup (Clustered) operation 80+% of the time:

  • Predicate: TitleTable.FKID2 AS T2.FKID2 = @ID_PARAM2
  • Object: TitleTable T2
  • Output list: TitleTable.Title

Each and every mentioned column is in its own non-clustered index, Title is additionally in the full-text index and there's a clustered index on the primary key as well. Is there a way to include the full-text index in the covering index or something?

EDIT: execution plan

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If your question is "why is my query so slow", you may want to check out SARGability. stackoverflow.com/questions/799584/… or brentozar.com/archive/2010/06/sargable-why-string-is-slow –  Max Vernon Mar 7 '13 at 18:48
Could you please post the plan? –  swasheck Mar 8 '13 at 0:26
MaxVernon thanks, I'll take a look! @swasheck I've edited the question. –  Howie Mar 8 '13 at 6:02
@Howie I know it's been a while, but I was wondering if you could post the xml execution plan. IMGUR is blocked for me here at work. Alternatively, you can post the plan to answers.sqlsentry.net and link back to here. –  swasheck Mar 11 '13 at 18:43
Just in case someone wonders, the Full Text Index cannot be included in a covering index. Full Text and Covering Indexes are very different concepts. –  RLF Nov 19 '14 at 21:23

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