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What does a procedure return in SQL?
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. It is mandatory that when the RETURN statement is executed that it return an integer value.
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. Parameter values must be set prior to the RETURN statement being executed.
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 .
Does a procedure return a result?
Stored procedures are typically executed with an EXEC statement. However, you can execute a stored procedure implicitly from within a SELECT statement, provided that the stored procedure returns a result set.
Can stored procedure return NULL value?
3 Answers. No, the return type of a stored procedure is INT and it cannot be null.
How do you end a stored procedure?
You can use RETURN to stop execution of a stored procedure immediately. Quote taken from Books Online: Exits unconditionally from a query or procedure. RETURN is immediate and complete and can be used at any point to exit from a procedure, batch, or statement block.
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.
Why do we return stored procedures?
Return values can be used within stored procedures to provide the stored procedure execution status to the calling program. You can create your own parameters that can be passed back to the calling program. By default, the successful execution of a stored procedure will return 0.
How do I merge results of two stored procedures?
- Declare one table variable for Stored Procedure 1.
- Declare another table variable for Stored Procedure 2.
- Declare third table variable which consists of all columns, table1 and table2 and use UNION to populate it as:
What do stored procedures return in SQL Server?
Stored procedures can return an integer value to a calling procedure or an application. To view Transact-SQL syntax for SQL Server 2014 and earlier, see Previous versions documentation. Optionally returns int. Unless documented otherwise, all system stored procedures return a value of 0. This indicates success and a nonzero value indicates failure.
How to calculate the value of a stored procedure?
Right Click and select Execute Stored Procedure; If the procedure, expects parameters, provide the values and click OK; Along with the result that you expect, the stored procedure also returns a Return Value = 0; So, from this point, we understood that, when a stored procedure is executed, it returns an integer status variable.
When to use the return statement in a procedure?
This is most commonly used to return a status result or error code from a procedure. Consider this procedure: All it does is use the RETURN statement to send back the value that was passed in. Note that executing a RETURN statement causes a stored procedure to stop executing and return control back to the calling program.
How to store return code from a procedure?
For example, the assignment variable @result of data type int is used to store the return code from the procedure my_proc, such as: Return codes are commonly used in control-of-flow blocks within procedures to set the return code value for each possible error situation.