How do you return data from a stored procedure?
There are three ways of returning data from a procedure to a calling program: result sets, output parameters, and return codes. This article provides information on the three approaches. If you include a SELECT statement in the body of a stored procedure (but not a SELECT ... INTO or INSERT ...
Can you use a procedure in a SQL statement?
You can't use procedure in SQL STATEMENT.IT is recommended to use OUT parameter to return values from stored procedure. Hope this answers your questions , Oracle consultant. No. You can use return statement in function. But in procedure you can use out parameters to return values to calling procedure.
What does it mean when a stored procedure returns 0?
By default, if a stored procedure returns a value of 0, it means the execution is successful. The Return Codes or values are commonly used in the control-of-flow blocks within procedures. You can change these return values as per your requirements.
Is it possible to return a value from a procedure?
It is possible. When you use Return inside a procedure, the control is transferred to the calling program which calls the procedure. It is like an exit in loops. It won't return any value.
Can we write RETURN statement in procedure Oracle?
Not allowed when the RETURN statement is in a procedure or anonymous block. The RETURN statement assigns the value of expression to the function identifier. Therefore, the data type of expression must be compatible with the data type in the RETURN clause of the function.
Can procedure in SQL return value?
Return Value in SQL Server Stored Procedure In default, when we execute a stored procedure in SQL Server, it returns an integer value and this value indicates the execution status of the stored procedure. The 0 value indicates, the procedure is completed successfully and the non-zero values indicate an error.
Can we return from stored procedure?
RETURN: A single integer value can be returned from a stored procedure with a RETURN statement. Result sets: A stored procedure can return data via one or more SELECT statements.
Can PL SQL procedure return a value?
We will discuss packages in the chapter 'PL/SQL - Packages'. Functions − These subprograms return a single value; mainly used to compute and return a value. Procedures − These subprograms do not return a value directly; mainly used to perform an action.
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.
How do I return a stored procedure message?
In SQL Server Management Studio (SSMS), expand Programmability > Stored Procedures, right click a stored procedure and select Execute Stored Procedure. In the execute procedure page, enter the parameter @CustID value as 10 and click OK. It returns the following T-SQL statement with a variable @return_value.
Can we return multiple tables from stored procedure?
They may return result sets in case you use SELECT statements. Stored procedures can return multiple result sets.
How do I return a stored procedure in SQL?
You can use the return statement inside a stored procedure to return an integer status code (and only of integer type). By convention a return value of zero is used for success. If no return is explicitly set, then the stored procedure returns zero. You should use the return value for status codes only.
Can SP return multiple values?
Yes its possible..you can return multiple value from sproc. For that you need to declare multiple output parameter in stored procedure.
Can procedures return values?
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 we call functions from procedure?
A function can be called by a procedure. A procedure cannot be called by a function. DML statments cannot be executed within a function. DML statements can be executed within a procedure.
Can we return multiple values from a procedure in Oracle?
You may return multiple output parameters from a stored procedure by using the OUT parameter when creating an Oracle stored procedure. A stored procedure might have a number of OUT parameters. The OUT parameter is used to send the stored procedure's output data to the PL/SQL code block that calls it from Oracle.
Can stored procedure return multiple values?
Yes its possible..you can return multiple value from sproc. For that you need to declare multiple output parameter in stored procedure.
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.
How many values can be returned from a stored procedure?
A stored function can return only one value, unlike a stored procedure, which can return multiple values or an entire result set.
How do I return a SQL resultset from a stored procedure?
To return a result set from an SQL procedure:Specify the DYNAMIC RESULT SETS clause in the CREATE PROCEDURE statement.DECLARE the cursor using the WITH RETURN clause.Open the cursor in the SQL procedure.Keep the cursor open for the client application - do not close it.
What happens when you use return in a procedure?
When you use Return inside a procedure, the control is transferred to the calling program which calls the procedure. It is like an exit in loops.
What parameter do you use to return a stored procedure?
In Stored procedure, you return the values using OUT parameter ONLY. As you have defined two variables in your example:
What is an IN OUT parameter?
IN OUT : A single parameter can be used for passing value to a procedure /function and retrieving values from a procedure / function.
Can a function return more than one item?
Formally they cannot. No function can return more than one item. That is what makes them a function.
Can you invoke a stored procedure in a select statement?
You cannot invoke a stored procedure in a SELECT statement.
Can you use a variable in a procedure?
No . It's not allowed. If your requirement is to get some value out of procedure , declare a out variable in definition and assign the calculated value to that variable inside procedure body.
Can you use return statement in a procedure?
Surely you can use return statement in procedure but it can be used only for exiting that procedure but not for returning a value. Value can be returned by setting out parameter.
Can you return XML?
you can use a “complex” return item. This can be XML or and OBJECT TYPE. In this way you can return any kind of data you want because all that data is wrapped inside a container of some kind.
Is PL/SQL going away?
The answer is that PL/SQL is not growing, but not going away either. Because it is used in the Oracle database, and the Oracle database is a fixture of enterprise systems world-wide, it will outlive you. High-performance batch processing has to happen close to the data, so PL/SQL will continue to rule in this area. But everything else we are doing in PL/SQL can be implemented in other layers, other tools, and other programming languages.
Return Values in SQL Stored Procedure Example 1
In this example, we will show you the default return value returned by the SQL Server. To demonstrate the same, let me execute the previously created Stored Procedure.
Return Values in SQL Stored Procedure Example 2
In this return value example, we will show how to use return values in Stored procedures. Please refer to the Select Stored Procedure article to write Select statement inside a stored procedure.
Stored Procedure return values Example 3
In this example, Let me show you what will happen If we return a String (Varchar) data as the return value. Here, we are selecting the Occupation of an employee whose last name is equal to Gateway. (Instead of hard coding a Value, you can also try Input Parameter ).
SQL Stored Procedures Benefits
A stored procedure is commonly used in SQL Server databases and provides the following benefits:
Examples of the SQL RETURN clause in Stored Procedures
To understand the problem, let’s create a stored procedure with the following script. For this demo, I am using the Azure SQL Database sample schema [SalesLT]. [Customer]
Examples of SQL Return Codes in Stored Procedures
In the previous example, we saw the primary use of the Return values in the SQL Server stored procedure. We can use these values to define the stored procedure logic and error handling.
SQL Output Clause in Stored Procedures
You can specify the OUTPUT keyword in the procedure definition for a parameter. If you specify it, the stored procedure returns the value of the current parameter when the SP executes. You can also save the output value in a variable as well.
