What is a common symptom of parameter sniffing issues?

Problem Statement

Explanation

On first execution, the engine compiles a plan using the sniffed parameter. If that value is atypical, the cached plan can be bad for other values. Mitigations include recompiling, using option hints, parameterizing carefully, or separating hot and cold paths with targeted queries.

Code Solution

SolutionRead Only

-- SQL Server example
EXEC sp_recompile N'dbo.SearchOrders';

Practice Sets

This question appears in the following practice sets:

Query Optimization & Execution Plans

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What is a common symptom of parameter sniffing issues?

Problem Statement

Explanation

Code Solution

Practice Sets

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Master Interviews Anywhere, Anytime

What is a common symptom of parameter sniffing issues?

Problem Statement

Explanation

Code Solution

Practice Sets

Related Questions

Which SQL statement retrieves all columns and rows from a table named employees?

Which clause filters rows before aggregation and affects which rows are grouped?

What is the default sort order when ORDER BY is used without ASC or DESC?

Which construct is commonly used to paginate results in SQL engines like Postgres and MySQL?

Which predicate correctly checks for missing values in standard SQL?

More from SQL & Databases

Master Interviews
Anywhere, Anytime