Can a stored procedure return a 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.
How do I return a scalar value from a stored procedure in SQL Server?
Whenever a stored procedure finishes executing, it always returns a return value. This return value is, by default, 0. You can use the RETURN statement yourself, however, to return a scalar integer value.
Can stored procedure return NULL value?
3 Answers. No, the return type of a stored procedure is INT and it cannot be null.
How many values can a stored procedure return?
MySQL stored function returns only one value. To develop stored programs that return multiple values, you need to use stored procedures with INOUT or OUT parameters.
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.
What is the purpose of set Nocount on?
SET NOCOUNT ON is a set statement which prevents the message which shows the number of rows affected by T-SQL query statements. This is used within stored procedures and triggers to avoid showing the affected rows message.
Does a stored procedure need parameters?
A stored procedures and functions may have input, output, and input/output parameters.
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.
Does 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.
Which type of procedure returns a value?
A Function procedure returns a value to the calling code either by executing a Return statement or by encountering an Exit Function or End Function statement.
Can we update stored procedure?
Expand Databases, expand the database in which the procedure belongs, and then expand Programmability. Expand Stored Procedures, right-click the procedure to modify, and then click Modify.
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.
Can we create more than one parameter for stored procedure?
A stored procedure can have many output parameters. In addition, the output parameters can be in any valid data type e.g., integer, date, and varying character.