How do you return a value from a procedure in PL SQL?

How do you return a value from a procedure in PL SQL?

After the stored procedure call, the variables will be populated with return values. If you want to have RETURN value as return from the PL/SQL call, then use FUNCTION . Please note that in case, you would be able to return only one variable as return variable.

Which is the correct way for assigning value to variable in PL SQL?

Default values PL/SQL allows you to set a default value for a variable at the declaration time. To assign a default value to a variable, you use the assignment operator ( := ) or the DEFAULT keyword.

Can a 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.

What does return do in PL SQL?

The RETURN statement immediately completes the execution of a subprogram and returns control to the caller. Execution resumes with the statement following the subprogram call. In a function, the RETURN statement also sets the function identifier to the return value.

How do you end a procedure in PL SQL?

Using APEX process: Create a new Process on the Page and select “PL/SQL Code” as type. Then type your Code into the APEX process. Variable Declarations * BEGIN * END; Processes can only be used inside the same page.

How do you initialize a variable in PL SQL?

Initializing Variables in PL/SQL You can also specify that a variable should not have a NULL value using the NOT NULL constraint. If you use the NOT NULL constraint, you must explicitly assign an initial value for that variable.

How does a stored procedure return a value?

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 does an execution block start and end in PL SQL?

A PL/SQL block has an executable section. An executable section starts with the keyword BEGIN and ends with the keyword END . The executable section must have a least one executable statement, even if it is the NULL statement which does nothing.

How to get return value from PL SQL procedure?

In the declare section you define the variables that will receive the values and then use those in the call to the procedure.

How do you assign values to a variable in PL / SQL?

Another way to assign values to a variable is by selecting (or fetching) database values into it. With the PL/SQL SELECT INTO statement, you can retrieve data from one row in a table. In Example: Assigning Values to Variables Using PL/SQL SELECT INTO, 10 percent of the salary of an employee is selected into the bonus variable.

How to return the output of stored procedure into a variable?

To return data, you should use output parameters. If you want to return a dataset, then use an output parameter of type cursor. With the Return statement from the proc, I needed to assign the temp variable and pass it to another stored procedure. The value was getting assigned fine but when passing it as a parameter, it lost the value.

Which is an example of PL / SQL SELECT INTO?

With the PL/SQL SELECT INTO statement, you can retrieve data from one row in a table. In Example: Assigning Values to Variables Using PL/SQL SELECT INTO, 10 percent of the salary of an employee is selected into the bonus variable. Now, you can use the bonus variable in another computation, or insert its value into a database table.