PLSQL supports the implementation of programming features with SQL queries.
Stored procedures in oracle can be created using Pl/SQL which is the extension of oracle.
EXECUTE ĮXEC How to create stored procedure in oracle Type execute or exec followed by the name of the stored procedure, you don’t need to start a parenthesis if the procedure does not require parameters. You can skip this part on jump on declaring statements. Parameters are passed in the first line of creating procedures inside the parentheses after providing the procedure name.
In case, no user input is required in the procedure, then the developer doesn’t need to pass the parameters while creating the stored procedure. Read: Oracle get database name How to execute a stored procedure in oracle without parameter In the section – What is the out parameter in stored procedure in oracle 21c? we have demonstrated the use of IN or input parameter as well. Input is created using IN keyword and the stored procedure uses this input to manipulate the information.īelow syntax shows the use of input parameters in a stored procedure in oracle 21c: CREATE OR REPLACE The user has to fill in the information based upon the declared data type while executing the procedure in oracle. In a program, if user input is required in the stored procedure then parameters are created. How to create a stored procedure in oracle with parameter How to create a stored procedure with input parameter You can also provide modes (IN, OUT, IN OUT) while creating parameters. To create a parameter provide the parameter name and data type in the first line while creating or replacing the stored procedure. If user input is also required then parameters are created. Read: Connect to oracle database How to create a stored procedure in oracle with parameterĪ stored procedure is required when a business requirement demands the repetition of the same activity multiple times.
Functions can be created for all the repetitive operations. It is good practice to create functions in a program. It is created to perform a specific operation and is not recommended to create for all the operations. Uses the ‘ return‘ keyword to return the result. Uses the ‘ out‘ keyword to return the result. It can be used while querying using a select statement. It cannot be used with a select statement. Stored procedures & functions both are reusable and have a lot in common but despite similarities, there are a few key differences that we are going to discuss in the section. Read: Oracle Create User What is the difference between function and stored procedure in oracle 21c? What is out parameter in stored procedure in oracle 21c While executing the stored procedure we have provided the argument as 5 and as a result, 120 is produced. It is a factorial program wherein the procedure is calling itself the number of times of that number. The factorial program is the best example of the same.īelow is the example, showing the recursive stored procedure in oracle. When a procedure is written in such a way that it calls itself multiple times then it is called a recursive stored procedure. Read: Oracle Change Database Name What is recursive stored procedure in oracle?