Pl sql procedure in out parameter example

IN type parameter : These types of parameters are used to send values to stored procedures. OUT type parameter : These types of parameters are used to get values from stored procedures. This is similar to a return type in functions. A procedure begins with a header that specifies its name and an optional parameter list.

Each parameter can be in either IN, OUT, or INOUT mode. The parameter mode specifies whether a parameter can be read from or write to.

An IN parameter is read-only. This procedure computes the square of value of a passed value. This example shows how we can use the same parameter to accept a value and then return another result. How To Use IN OUT Parameter Properly? Here are the rules about IN OUT parameters : A formal IN OUT parameter acts like an initialized variable.

An actual IN OUT parameter must be a variable. How can I use IN OUT parameter in a procedure. I want to give a parameter as both input and get the same out put?

AUTHID: The optional AUHTID determines whether the procedure will execute with the privileges of the owner ( DEFINER) of the procedure or with the privileges of the current user specified by CURRENT_USER. It is just like procedures in other programming languages. The procedure contains a header and a body.

Header: The header contains the name of the procedure and the parameters or variables passed to the procedure. Procedures and Functions are the subprograms which can be created and saved in the database as database objects. Output Parameters in SQL Stored Procedure Example 1. Please refer Select Stored Procedure article to understan How to write Select statement inside a stored procedure.

Below statement will create a Stored procedure of Name spEmployeeCount. Calling a stored procedure in Oracle with IN and OUT parameters. What is stored procedure in PL SQL? How do I execute a procedure in SQL?

What are stored procedures in Oracle? AUTHID : The optional AUHTID determines whether the procedure will execute with the privileges of the owner ( DEFINER ) of the procedure or with the privileges of the current user specified by CURRENT_USER. The OUT parameter is a write-only for procedure as it does not pass the value OUT while executing the procedure but passes value back to a calling Procedure or a Block. We have few examples below to show how the passing parameters works within Stored.

When the procedure ends, the variable value (upon ending) is copied to the variable passed in the call. As such, a variable passed in OUT mode can not be assigned a default value nor can it be read inside the procedure.

Because the variable value is copied back to the passed variable when the procedure terminates,. Are there any guidelines regarding when to use a procedure ( OUT parameter ) vs Function. Both structures can be used to achieve the same objective in specific situation. I have created a function Fand a procedure P1.

Both of them simply return a number. An explicit cursor may accept a list of parameters. Each time you open the cursor, you can pass different arguments to the cursor, which in different result sets.

Based on the settings of the current process or process-type plug- in , the code is executed locally or remote.