Can function return multiple values in Oracle?
Normally when we came across the difference between function and procedure, we say that function always returns value(e.g single) where as procedure may or may not. But we can use OUT parameter to return multiple value from a procedure.
Can we return table from function in Oracle?
With collections and the table() function, a function can return a table that can be queried in an SQL statement.
How do you return a value from a procedure in PL SQL?
CREATE OR REPLACE PROCEDURE procedurename(param1 NUMBER, param2 varchar(20), returnvalue OUT NUMBER); IS BEGIN your code END; And then use it like this: returnvalue NUMBER; procedurename(0, ‘xxx’, returnvalue); dbms_output.
What is Oracle return clause?
The returning clause specifies the values return from DELETE , EXECUTE IMMEDIATE , INSERT , and UPDATE statements. You can retrieve the column values into individual variables or into collections. You cannot use the RETURNING clause for remote or parallel deletes.
Can SQL function return more than one value?
For this question answer will be Yes functions will return either single or multiple values. Generally SQL Server functions will return only one parameter value if we want to return multiple values from function then we need to send multiple values in table format by using table valued functions.
How can a function return more than one value in PL SQL?
There is no way you can return 2 variable. It has to be one. You can use a custom rec type or array which you can return from the function.
Can a function return a table?
A table-valued function is a user-defined function that returns data of a table type. The return type of a table-valued function is a table, therefore, you can use the table-valued function just like you would use a table.
How do you return a cursor in Oracle?
- You cannot do this using a standalone function, you’ll need to create a table type and a table function.
- cur is a cursor not a sys_refcursor .
- @a_horse_with_no_name Oracle version: 12c Standard Edition, 12.1.0.2.0.
- Possible duplicate of Function return sys_refcursor call from sql with specific columns.
How do you return a function in SQL?
The RETURN statement is used to unconditionally and immediately end an SQL procedure by returning the flow of control to the caller of the stored procedure. When the RETURN statement runs, it must return an integer value. If the return value is not provided, the default is 0.
How do you return a value from a procedure?
Stored procedure OUTPUT parameters
- Explicitly declare a variable to hold the values returned by the output parameters.
- Assign output parameter to this variable in the stored procedure call.
- Find the underlined procedure under the Stored Procedure folder.
What does returning do in SQL?
The RETURN statement is used to unconditionally and immediately end an SQL procedure by returning the flow of control to the caller of the stored procedure. When the RETURN statement runs, it must return an integer value.
What does returning do in SQL when would you use it?
The RETURNING clause allows you to retrieve values of columns (and expressions based on columns) that were modified by an insert, delete or update. Without RETURNING , you would have to run a SELECT statement after the DML statement is completed, in order to obtain the values of the changed columns.