Procedures in PL/SQL (Procedural Language/Structured Query Language) are a way to encapsulate a set of SQL and PL/SQL statements that perform a specific task. They are stored in the database and can be executed as needed, providing a modular and reusable approach to database programming. Here’s an overview of creating and using procedures in PL/SQL: Creating a Procedure To create a procedure, you use the CREATE PROCEDURE statement followed by the procedure's name, parameters (if any), and the body of the procedure, which contains the executable code. Here’s a basic syntax: CREATE [OR REPLACE] PROCEDURE procedure_name [ (parameter_name [IN | OUT | IN OUT] datatype [, ...]) ] IS -- Declaration of variables BEGIN -- Executable statements EXCEPTION -- Exception handling END procedure_name; Example Here’s a simple example of a PL/SQL procedure that inserts a new employee record into an employees table: CREATE OR REPLACE PROCEDURE...
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