DF211: Index hint is used.
The topic describes the DF211 T-SQL code analysis rule.
Category
PERFORMANCE
Message
Index hint is used.
Description
For better performance, avoid using index hints.
Additional information
It is worth mentioning that using index hints can have implications for performance and query optimization. While index hints can sometimes be useful in guiding the query optimizer to choose a specific index, they can also lead to suboptimal query plans and hinder the database’s ability to adapt to changing conditions or statistics. Instead, it is generally recommended to rely on the query optimizer’s capabilities to choose the most efficient execution plan based on available indexes, statistics, and query parameters.
Noncompliant code example
UPDATE d
SET txt = 'sample'
FROM dbo.DemoTable d WITH(INDEX(MyIndex))
WHERE id = 1
GO
Compliant solution
UPDATE d
SET txt = 'sample'
FROM dbo.DemoTable d
WHERE id = 1
GO
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