What is return in stored procedure?
The RETURN statement is used to unconditionally and immediately terminate an SQL procedure by returning the flow of control to the caller of the stored procedure. … To return multiple output values, parameters can be used instead. Parameter values must be set prior to the RETURN statement being executed.
What is the return type of a procedure?
A procedure can return an integer value called a return code to indicate the execution status of a procedure. You specify the return code for a procedure using the RETURN statement. Return code value Meaning 0 Employee does not exists.
How do you return a stored procedure in SQL Server?
In your stored procedure add the parameter @text nvarchar(1000) OUTPUT then in your code add an extra parameter with the name @text and set the parameter direction to output . Also you should really be wrapping your SqlCommand and SqlConnection object in using statements to stop leaky connections.
Can we return from stored procedure?
You can use one or more RETURN statements in a stored procedure. The RETURN statement can be used anywhere after the declaration blocks within the SQL-procedure-body. To return multiple output values, parameters can be used instead.
What is difference between stored procedure and function?
The function must return a value but in Stored Procedure it is optional. Even a procedure can return zero or n values. Functions can have only input parameters for it whereas Procedures can have input or output parameters. Functions can be called from Procedure whereas Procedures cannot be called from a Function.
Can 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 we call function from stored procedure?
A function can be called in a select statement as well as in a stored procedure. Since a function call would return a value we need to store the return value in a variable.
How many values can be returned from a stored procedure?
3. How many values can be returned from a stored procedure? Explanation: In MySQL, unlike the stored functions, the stored procedures cannot return values. They can be used to perform calculations or produce the result sets passed back to the clients.
Does a function return a value?
A return is a value that a function returns to the calling script or function when it completes its task. A return value can be any one of the four variable types: handle, integer, object, or string. The type of value your function returns depends largely on the task it performs.
Can we return table variable from stored procedure?
Every stored procedure can return an integer value known as the execution status value or return code. If you still want a table returned from the SP, you’ll either have to work the record set returned from a SELECT within the SP or tie into an OUTPUT variable that passes an XML datatype.
What are SQL procedures?
What is a procedure in SQL? A procedure in SQL (often referred to as stored procedure), is a reusable unit that encapsulates the specific business logic of the application. A SQL procedure is a group of SQL statements and logic, compiled and stored together to perform a specific task.
What is the difference between input and output parameters in stored procedure?
Input parameter is a parameter whose value is passed into a stored procedure/function module. … 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.
What is difference between procedure and function?
Function is used to calculate something from a given input. Hence it got its name from Mathematics. While procedure is the set of commands, which are executed in a order.
How do I create a stored procedure?
How to Create a Stored Procedure
- In Object Explorer, connect to an instance of Database Engine and then expand that instance.
- Expand Databases, expand the AdventureWorks2012 database, and then expand Programmability.
- Right-click Stored Procedures, and then click New Stored Procedure.