Category: PL/SQL

The COMMIT statement in Oracle PL/SQL is a crucial command used in transaction control. It finalizes changes made by a transaction, making them permanent in the database. Without a COMMIT, changes remain temporary and can be rolled back. Understanding how and when to use COMMIT effectively ensures data integrity and prevents unintended data loss. What…(Continue Reading)

Oracle PL/SQL provides various features to ensure efficient transaction management. One of the powerful yet often misunderstood directives is PRAGMA AUTONOMOUS_TRANSACTION. It allows a PL/SQL block to execute as an independent transaction, separate from the main transaction. This feature is particularly useful in scenarios where partial commits are necessary without affecting the main transaction. What…(Continue Reading)

Oracle PL/SQL provides robust exception-handling mechanisms to manage runtime errors efficiently. One such feature is PRAGMA EXCEPTION_INIT, which allows developers to associate a user-defined exception with a specific Oracle error number. This improves error handling by making exceptions more readable and maintainable. What is PRAGMA EXCEPTION_INIT? PRAGMA EXCEPTION_INIT is a compiler directive used in PL/SQL…(Continue Reading)

In Oracle PL/SQL, the SYS_CONTEXT function is a powerful tool that provides access to various system and user-related information. It is commonly used for security, auditing, and contextual data retrieval within the database environment. This article explores its syntax, usage, and practical applications. What is SYS_CONTEXT? SYS_CONTEXT is a built-in Oracle function that returns information…(Continue Reading)

The V$SESSION view in Oracle Database is an essential tool for database administrators and developers. It provides real-time information about active sessions, helping to monitor user activity, diagnose performance issues, and manage resources effectively. This article explores the structure, common uses, and queries related to V$SESSION. What is V$SESSION? V$SESSION is a dynamic performance view…(Continue Reading)