What language is used in oracle database?

Oracle database uses PL/SQL language, its features include process orientation, SQL integration, data processing, exception handling and portability. PL/SQL can be used to create stored procedures, triggers, packages, reports and perform data validation and manipulation.

The language used by Oracle database

Oracle database uses a language called PL/SQL (Procedural Language/Structured Query language) proprietary programming language.

Characteristics of PL/SQL

• Process-oriented language: PL/SQL is an imperative language that focuses on definitions procedure or function.
• Integration with SQL: PL/SQL is tightly integrated with SQL, allowing developers to embed SQL statements into PL/SQL code.
• Data processing capabilities: PL/SQL provides powerful data processing capabilities, including variables, data types and operators.
• Exception handling: PL/SQL has a powerful exception handling mechanism that enables developers to handle and manage errors.
• Portability: PL/SQL code can execute on all platforms running Oracle Database.

Uses of PL/SQL

PL/SQL is commonly used in:

• Stored procedures and functions:Create reusable blocks of code to perform specific tasks.
• Trigger: Define code that fires when a database event occurs, such as inserting or updating a row.
• Package: Organize and encapsulate related code to improve reusability and maintainability.
• Reports and Queries: Extract and format data from the database.
• Data validation and operations: Validate user input and perform data modification operations.

Sample PL/SQL Code

The following is an example of a simple PL/SQL block that creates a stored procedure:

CREATE PROCEDURE get_employee_name(employee_id IN NUMBER, employee_name OUT VARCHAR2) IS
BEGIN
  SELECT first_name || ' ' || last_name INTO employee_name
  FROM employees
  WHERE employee_id = employee_id;
END;

This stored procedure accepts an employee_id parameter and returns the corresponding employee_name.

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