A function is a named PL/SQL Block which is similar to a procedure. The major difference between a procedure and a function is, a function must always return a value, but a procedure may or may not return a value. General Syntax to create a function is CREATE [OR REPLACE] FUNCTION fun...
PL/SQL Function– explains what PL/SQL functions are and shows you how to create PL/SQL functions. PL/SQL Procedure– discusses PL/SQL procedures and shows you how to create PL/SQL procedures. PL/SQL Nested Block– explains what a PL/SQL nested block is and how to apply it in PL/SQL...
functionsandstored procedurescan be used in other database systems like Sybase , Microsoft SQL server etc, with some change inSQL syntax. This PL/SQL tutorial will be growing regularly; let us know if any topic related to PL SQL needs to be added or you ...
If you have an Oracle database and want to follow along with the examples in the FIRST_VALUE function tutorial, we have included the DDL and DML that you will need below. Just follow the instructions to populate your database.
Oracle PL SQL Tutorial Welcome to Oracle PL SQL Tutorials. The objective of these tutorials is to provide an in-depth understanding of Oracle PL SQL. In addition to free Oracle Oracle PL SQL Tutorials, we will cover commoninterview questions, issues, and how to’s of Oracle PL SQL ....
Creating PL/SQL Procedures and Functions Functions and Procedures are reusable code blocks that perform specific tasks: Procedure Example: CREATE OR REPLACE PROCEDURE greet_employee (emp_name IN VARCHAR2) AS BEGIN DBMS_OUTPUT.PUT_LINE('Hello, ' || emp_name); END; Function Example: CREATE OR ...
This Oracle tutorial explains how to use the Oracle / PLSQL SQLCODE function with syntax and examples. The SQLCODE function returns the error number associated with the most recently raised error exception.
PL/SQL Tutorial | PL/SQL Parameters, Procedure and Functions Parameters in Procedure and Functions How to pass parameters to Procedures and Functions in PL/SQL? In PL/SQL, we can pass parameters to procedures and functions in three ways....
Learn PL/SQL with our comprehensive tutorial covering basic to advanced concepts, syntax, and practical applications.
This PL SQL tutorial introduces PL/SQL with its features, basic syntax with examples. Learn to set up PL/SQL Environment step by step.