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  • 执行带参数的SQL, sp_executesql

    Syntax

    sp_executesql [ @stmt = ] stmt
    [     {, [@params=] N'@parameter_name data_type [ OUT | OUTPUT ][,...n]' }      {, [ @param1 = ] 'value1' [ ,...n ] }
    ]
    DECLARE @IntVariable int;
    DECLARE @SQLString nvarchar(500);
    DECLARE @ParmDefinition nvarchar(500);
     
    /* Build the SQL string one time.*/
    SET @SQLString =
         N'SELECT EmployeeID, NationalIDNumber, Title, ManagerID
           FROM AdventureWorks.HumanResources.Employee 
           WHERE ManagerID = @ManagerID';
    SET @ParmDefinition = N'@ManagerID tinyint';
    /* Execute the string with the first parameter value. */
    SET @IntVariable = 197;
    EXECUTE sp_executesql @SQLString, @ParmDefinition,
                          @ManagerID = @IntVariable;
    /* Execute the same string with the second parameter value. */
    SET @IntVariable = 109;
    EXECUTE sp_executesql @SQLString, @ParmDefinition,
                          @ManagerID = @IntVariable;
     

    输出参数

    DECLARE @IntVariable int;
    DECLARE @SQLString nvarchar(500);
    DECLARE @ParmDefinition nvarchar(500);
    DECLARE @max_title varchar(30);
     
    SET @IntVariable = 197;
    SET @SQLString = N'SELECT @max_titleOUT = max(Title) 
       FROM AdventureWorks.HumanResources.Employee
       WHERE ManagerID = @level';
    SET @ParmDefinition = N'@level tinyint, @max_titleOUT varchar(30) OUTPUT';
     
    EXECUTE sp_executesql @SQLString, @ParmDefinition, @level = @IntVariable, @max_titleOUT=@max_title OUTPUT;
    SELECT @max_title;
     
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  • 原文地址:https://www.cnblogs.com/z_lb/p/2011438.html
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