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I have a foreign key (IdForign), and always use it in where clause.
I have three fields:
Id
Name
IdForign
How can i create the index for the Name field?
(IdForign, Name) or just one for IdForign and other for Name?
Thanks!!
If I undertand correctly your question, you need to create an Index only for
IdForign, because it’s the one you use in thewhereUPDATE
As per your comment, if you are using both fields I suggest you to use an index with Name and IdForign
Read this. It should give you some tips on indexing with Sql Server