Can stored procedure return value?

Can stored procedure return value?

A stored procedure does not have a return value but can optionally take input, output, or input-output parameters. A stored procedure can return output through any output or input-output parameter.

Can a stored procedure return an output value to its caller?

Return data using an output parameter. If you specify the output keyword for a parameter in the procedure definition, the procedure can return the current value of the parameter to the calling program when the procedure exits.

How can get result from stored procedure in SQL Server?

To see this yourself, execute any stored procedure from the object explorer, in SQL server management studio.

1. Right Click and select Execute Stored Procedure.
2. If the procedure, expects parameters, provide the values and click OK.
3. Along with the result that you expect, the stored procedure also returns a Return Value = 0.

What is output parameter in stored procedure?

Output parameter is a parameter whose value is passed out of the stored procedure/function module, back to the calling PL/SQL block. An OUT parameter must be a variable, not a constant. It can be found only on the left-hand side of an assignment in the module.

Can a stored procedure return multiple values?

Multiple values will be returned from Stored Procedure by returning comma separated (delimited) values using Output Parameter. Output Parameter is supported in Stored Procedures of all SQL Server versions i.e. 2000, 2005, 2008, 2008R2, 2012 and 2014.

Can stored procedure return NULL value?

If you try to return NULL from a stored procedure using the RETURN keyword, you will get a warning, and 0 is returned instead. If a procedure hits an error that requires it to terminate immediately, it will return NULL because it never gets to either the RETURN keyword or the end of the batch!

Why do we return stored procedures?

The stored procedure accepts input parameters and also stored procedures return values after the execution. Reduce the network traffic because a set of SQL statements can be encapsulated into it. Offers a faster execution because the cached execution plan reusability reduces the server overhead.

How can we retrieve data from stored procedure in C#?

Using the code

1. Step 1 : Create the table(user_tab) to insert data.
2. Step 2 : Create the stored procedure to insert data to user table.
3. Step 3 :Add windows form.
4. Step 5 : Stored procedure to Read data.
5. Step 6 : Read data through Stored procedure(ReadUser) and display on a grid view.

How do you return a value from a stored procedure in MySQL?

To return a value from stored procedure, you need to use user defined session specific variable. Add @ symbol before variable name. Now second call for difference of two values. Call the stored procedure.

How many values can be returned from a stored procedure?

How many values can be returned from a given stored function? Explanation: In MySQL, the stored function cannot return multiple values. Instead, multiple stored functions can be written and invoked from within a single statement however, they are different from stored procedures. 3.

Does a function return a value?

If a function is defined as having a return type of void , it should not return a value. In C++, a function which is defined as having a return type of void , or is a constructor or destructor, must not return a value. If a function is defined as having a return type other than void , it should return a value.