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7 cze 2024 · The following examples use the INDEX hint. The first example specifies a single index. The second example specifies multiple indexes for a single table reference. In both examples, because you apply the INDEX hint on a table that uses an alias, the TABLE HINT clause must also specify the
26 sty 2015 · In this query, WITH (INDEX(index_name)) hint is used to specify the index to be used for each table. Note that the index name must match the name of an existing index on the table, otherwise the hint will be ignored.
4 paź 2023 · Table hints are used to override the default behavior of the query optimizer during the data manipulation language (DML) statement. You can specify a locking method, one or more indexes, a query-processing operation such as a table scan or index seek, or other options.
24 cze 2010 · In order to answer that question, you can use a hint to force one of the queries to use the original index as shown in the following query. SELECT NationalIDNumber FROM HumanResources.Employee WITH (INDEX (PK_Employee_EmployeeID)) WHERE Title = 'Stocker' GO SELECT NationalIDNumber FROM HumanResources.Employee WHERE Title = 'Stocker' GO
One that I've come across a few times is to get a feel for all of the queries being used that involve hints, whether they are table hints (like NOEXPAND), index hints (such as FORCESEEK), or query hints (for example, MAXDOP).
Hints are options or strategies specified for enforcement by the SQL Server query processor on SELECT, INSERT, UPDATE, or DELETE statements. The hints override any execution plan the query optimizer might select for a query.
3 lis 2021 · In this article we look at a script you can use to find all index hints that are being used from the SQL Server cache and from stored procedure code.
