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How do I fix parameter sniffing in SQL Server?
Workarounds for SQL Server Parameter Sniffing
- Create SQL Server Stored Procedures using the WITH RECOMPILE Option.
- Use the SQL Server Hint OPTION (RECOMPILE)
- Use the SQL Server Hint OPTION (OPTIMIZE FOR)
- Use Dummy Variables on SQL Server Stored Procedures.
- Disable SQL Server Parameter Sniffing at the Instance Level.
What are SQL parameters?
Parameters are used to exchange data between stored procedures and functions and the application or tool that called the stored procedure or function: Input parameters allow the caller to pass a data value to the stored procedure or function. User-defined functions cannot specify output parameters.
What is output parameter in SQL Server?
An output parameter is a parameter that is passed into the SQL stored procedure, but whose value can be set in the stored procedure. This assigned parameter, then, is readable back from the application that called the stored procedure. To use an output parameter you need to indicate that the parameter is intended for output via the OUTPUT keyword.
What are SQL Server parameters?
Parameters in SQL Server Reporting Services (SSRS) add a level of interactivity to reports. Parameters are able to be utilized for everything from criteria in a query to filters for a Tablix to controlling visibility of objects on a report.
What is parameter sniffing?
Parameter sniffing is the process whereby SQL Server creates an optimal plan for a stored procedure by using the calling parameters that are passed the first time a stored procedure is executed.
What is SQL parameter?
What is Parameter in SQL. A parameter in SQL helps to exchange data among stored procedures and functions. With the help of input parameters, the caller can pass a data value to the stored procedure or function. While, with the help of output parameters, the stored procedure can pass a data value back to the caller.