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Can we return value from stored procedure?
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.
What is the return value of SQL 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. It is mandatory that when the RETURN statement is executed that it return an integer value. If the return value is not provided, the default is 0.
How do you return a value from a stored procedure in Oracle?
A Procedure in SQL can have a RETURN statement to return the control to the calling block, but it cannot return any values through the RETURN statement. Procedures cannot be called directly from SELECT statements. They can be called from another block or through EXEC keyword.
Does a function return a value?
Third, a function can only return a single value back to the caller each time it is called. However, the value doesn’t need to be a literal, it can be the result of any valid expression, including a variable or even a call to another function that returns a value.
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.
When to return data from a stored procedure?
When returned, the cursor position is set before the first row. For a forward-only cursor, if the cursor is positioned beyond the end of the last row when the procedure exits, an empty result set is returned to the calling batch, procedure, or trigger. Note. An empty result set is not the same as a null value.
How to assign values to stored procedure parameters?
After the stored procedure name in the exec statement, you can assign values to the input parameters based on either parameter position after the stored procedure name within the create proc statement , parameter name, or both. However, there is one restriction as indicated in the script below.
How to insert into a stored procedure in T-SQL?
The only way to work with the results of a stored procedure in T-SQL is to use the INSERT INTO EXEC syntax. That gives you the option of inserting into a temp table or a table variable and from there selecting the data you need.
When to return the current value of a parameter?
If you specify the OUTPUT keyword for a parameter in the procedure definition, the procedure can return the current value of the parameter to the calling program when the procedure exits.