Untuk fungsi pencarian, saya menggunakan tampilan yang memiliki catatan dari semua tabel di mana saya perlu mencari. Tampilan ini memiliki hampir 20 juta catatan. Pencarian terhadap pandangan ini terlalu banyak waktu.
Di mana saya harus mencari untuk meningkatkan kinerja tampilan ini?
Definisi kasar untuk tampilan di bawah ini. Ini mencakup tiga belas tabel dan sekitar tiga puluh bidang.
CREATE VIEW [dbo].[v_AllForSearch]
AS
SELECT
FT.firstField AS [firstField]
, FT.fld_primary AS [fld_primary]
, FT.fld_thirdField AS [thirdField]
, FT.fld_fourthField AS [fourthField]
, ISNULL(ST.[fld_firstSearchField],'') AS [firstSearchField]
, ISNULL(TT.[fld_thirdSearch],'') AS thirdSearch
, ISNULL(TT.[fld_fourthSearch],'')AS fourthSearch
, ISNULL(TT.[fld_fifthSearch],'')AS fifthSearch
, ISNULL(FRT.[fld_sixthSearch],'') As [sixthSearch]
, ISNULL(FRT.[fld_seventhSearch],'') AS [seventhSearch]
, ISNULL(FRT.[fld_eightSearch],'')AS [eightSearch]
, ISNULL(FIT.[fld_nineSearch],'') AS [nineSearch]
, ISNULL(SIT.[fld_tenthSearch],'')AS [tenthSearch]
, ISNULL(SET.[fld_eleventhSearch],'') AS [eleventhSearch]
, ISNULL(ET.[twelthSearch],'')AS [twelthSearch]
, ISNULL(NT.[thirteenthSearch],'')AS [thirteenthSearch]
, ISNULL(NT.[fourteenSearch],'') AS [fourteenSearch]
, ISNULL(NT.[fifteenSearch],'') AS [fifteenSearch]
, ISNULL(NT.[sxteenSearch],'') AS [sxteenSearch]
, ISNULL(NT.[seventeenSearch],'') AS [seventeenSearch]
, ISNULL(NT.[eighteenSearch],'')AS [eighteenSearch]
, ISNULL(TT.[ninteenSearch],'') AS [ninteenSearch]
, ISNULL(ELT.[twentySearch],'') AS [twentySearch]
, ISNULL(ELT.[twentyOneSearch],'') AS [twentyOneSearch]
, ISNULL(TWT.[twentyTwoSearch],'') AS [twentyTwoSearch]
, ISNULL(THT.twentyThree,'') AS [twentyThree]
, ISNULL(THT.twentyFour,'') AS [twentyFour]
, ISNULL(THT.twentyFive,'') AS [twentyFive]
, ISNULL(THT.twentySix,'') AS [twentySix]
FROM
tblFirstTable AS FT
LEFT JOIN [tblSecondTable] AS ST
ON ST.[fld_primary] = FT.[fld_primary]
LEFT JOIN [tblThirdTable] AS TT
ON TT.[fld_primary] = FT.[fld_primary]
LEFT JOIN [tblFourthTable] AS FRT
ON FRT.[fld_primary] = FT.[fld_primary]
LEFT JOIN [tblFifthTable] AS FIT
ON FIT.[fld_primary] = FT.[fld_primary]
LEFT JOIN [tblSixthTable] AS SIT
ON SIT.[fld_primary] = FT.[fld_primary]
LEFT JOIN [tblSeventhTable] AS SET
ON SET.[fld_primary] = FT.[fld_primary]
LEFT JOIN [tblEighthTable] AS ET
ON ET.[fld_primary] = FT.[fld_primary]
LEFT JOIN [tblNinthTable] AS NT
ON NT.[fld_primary] = FT.[fld_primary]
LEFT JOIN [tblELTnthTable] AS TT
ON TT.[fld_primary] = FT.[fld_primary]
LEFT JOIN [tblEleventhTable] AS ELT
ON ELT.[fld_primary] = FT.[fld_primary]
LEFT JOIN [tblTwelthTable] AS TWT
ON TWT.[fld_id] = ELT.[fld_id]
LEFT JOIN [tblThirteenthTable] AS THT
ON THT.[firstField]= FT.[firstField]
WHERE fld_Status ..