May 8, 2014 · This query will force a full table or index scan. There is no way to index for a B or C scenario that will allow you to do an index seek.
May 26, 2019 · The solution most people use to work around this is to split up the query: SELECT ... WHERE user_1 = ? UNION SELECT ..
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Aug 18, 2011 · What would be the correct way to index such a table for this query? Create a separate, single-column index on each column. One of these indexes ...
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Aug 30, 2010 · I would start with the simplest scenario, four separate indexes on each of the columns. This will ensure that any queries using those columns ...
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May 13, 2010 · The typical way to break up OR predicates is with UNION . Note that your example doesn't fit well with your indexes.
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Sep 8, 2017 · Execution of a query plan starts at the root, and flows down the plan via a series of nested method calls. Data is pulled up the plan in the ...
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Mar 21, 2013 · Firstly, do you mean you're creating the index in a stored procedure? That's a bad idea - if you run the stored procedure twice, ...
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May 2, 2019 · There are a couple of issues here. The first is that the index is on the field loc whereas your query is querying metadata.location .
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