just as they can be used outside stored-program context. Stored programs use DECLARE to define local variables, and stored routines (procedures and functions) can be declared to take parameters that communicate values between the routine and its caller. ...
The procedure takes two parameters. The first is the value to compute the power. It is declared to be IN. It is passed to the routine and used there. The second variable is an OUT variable. It is the parameter where we store the result of this procedure. It can be used after the ...
» MySQL Stored Procedure » Stored Procedure Parameters Stored Procedure Parameters In this tutorial, you will learn how to write stored procedures with parameters. We will also give you a couple of stored procedure examples to help you understand more about parameters in stored procedures ...
The following example uses a preparedCALLstatement to execute a stored procedure that produces multiple result sets and that provides parameter values back to the caller by means ofOUTandINOUTparameters. The procedure takes parameters of all three types (IN,OUT,INOUT), displays their initial values...
In this case, the stored procedure requires you to pass a parameter. This can be achieved using the techniques seen in the previous section on parameters,Section 4.6.1.4, “Working with Parameters”, as shown in the following code snippet: ...
+3134rowsinset(0.00sec)32333435--OK, let's use some parameters:3637DROPPROCEDUREIFEXISTSsayHello//38CREATEPROCEDUREsayHello(INnameVARCHAR(20))39SELECTCONCAT('Hello', name,'!')ASGreeting;40//4142--The 'IN' keyword tells MySQL that is should be expecting an input value for43--the parameter.....
参考:http://www.yiibai.com/mysql/stored-procedures-parameters.html 5.返回多个值的MySQL存储过程 本教程将向您展示如何开发返回多个值的存储过程。 参考:http://www.yiibai.com/mysql/stored-procedures-return-multiple-values.html 6.MySQL IF语句
Create a SQL Stored Procedure A stored procedure object can have multiple parameters and use any parameter mode in combination. The following are parameter modes supported by SQL stored procedure object in MySQL.IN parameter: used for passing arguments to the object, the value of this parameter ...
Bug #13725stored procedure parameters Submitted:3 Oct 2005 19:37Modified:3 Oct 2005 20:07 Reporter:Samir SebaEmail Updates: Status:DuplicateImpact on me: None Category:MySQL ServerSeverity:S3 (Non-critical) Version:5.0.14 BK source.OS:Windows (windows x86) ...
Part III is divided into the type of parameters, the type of MySQL database, all available field types, if there are multiple parameters, carried out between the parameters can be separated with a comma. MySQL stored procedure in order to begin the beginning of the block in order to end...