Tag bookmark-lookup - Esta é a página 1 - GeneraCodice

Key Lookup isn't applied by default?

https://www.generacodice.com/pt/articolo/3224956/key-lookup-isn-t-applied-by-default
  sql-server  -  optimization  -  nonclustered-index  -  bookmark-lookup
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Key lookup still happening after creating covering index

https://www.generacodice.com/pt/articolo/3121034/key-lookup-still-happening-after-creating-covering-index
  sql-server  -  covering-index  -  bookmark-lookup
dba.stackexchange dba.stackexchange

Is there any difference with specifying the primary key as an include column in a nonclustered index?

https://www.generacodice.com/pt/articolo/3108627/is-there-any-difference-with-specifying-the-primary-key-as-an-include-column-in-a-nonclustered-index
  sql-server  -  sql-server-2016  -  index  -  nonclustered-index  -  bookmark-lookup
dba.stackexchange dba.stackexchange

Nasty Lookups in Query plan

https://www.generacodice.com/pt/articolo/3089915/nasty-lookups-in-query-plan
  sql-server  -  bookmark-lookup
dba.stackexchange dba.stackexchange

Performance differences between RID Lookup vs Key Lookup?

https://www.generacodice.com/pt/articolo/2820487/performance-differences-between-rid-lookup-vs-key-lookup
  performance  -  sql-server  -  clustered-index  -  nonclustered-index  -  bookmark-lookup  -  performance-tuning
dba.stackexchange dba.stackexchange

Can't reduce cost of query plan and get rid of Key Lookup because of cursor

https://www.generacodice.com/pt/articolo/2779186/can-t-reduce-cost-of-query-plan-and-get-rid-of-key-lookup-because-of-cursor
  sql-server  -  cursors  -  execution-plan  -  bookmark-lookup
dba.stackexchange dba.stackexchange

Eliminate Key Lookup (Clustered) operator that slows down performance

https://www.generacodice.com/pt/articolo/2625099/eliminate-key-lookup-clustered-operator-that-slows-down-performance
  performance  -  sql-server  -  sql-server-2012  -  query-performance  -  execution-plan  -  bookmark-lookup
dba.stackexchange dba.stackexchange

Por que a variável da tabela está forçando uma varredura de índice enquanto a tabela temporária usa pesquisa de busca e marcador?

https://www.generacodice.com/pt/articolo/2446725/por-que-a-variavel-da-tabela-esta-forcando-uma-varredura-de-indice-enquanto-a-tabela-temporaria-usa-pesquisa-de-busca-e-marcador
  sql-server  -  optimization  -  sql-server-2008-r2  -  bookmark-lookup  -  user-defined-table-type
dba.stackexchange dba.stackexchange

Index on Persisted Computed column needs key lookup to get columns in the computed expression

https://www.generacodice.com/pt/articolo/1536875/index-on-persisted-computed-column-needs-key-lookup-to-get-columns-in-the-computed-expression
  sql-server  -  sql-server-2008  -  execution-plan  -  bookmark-lookup  -  computed-column
dba.stackexchange dba.stackexchange

Reducing Key Lookups

https://www.generacodice.com/pt/articolo/1112874/reducing-key-lookups
  performance  -  sql-server  -  sql-server-2008  -  bookmark-lookup
dba.stackexchange dba.stackexchange
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