In Oracle PL/SQL, error handling is crucial for building robust applications. One of the key mechanisms for managing custom errors is the RAISE_APPLICATION_ERROR procedure. This article explores its purpose, syntax, usage, and best practices. What is RAISE_APPLICATION_ERROR? RAISE_APPLICATION_ERROR is a built-in Oracle procedure that allows developers to raise custom error messages with user-defined error codes.…(Continue Reading)
Category: PL/SQL
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PL/SQL SET TRANSACTION
In Oracle PL/SQL, transactions play a crucial role in ensuring data integrity and consistency. The SET TRANSACTION statement allows developers to configure transaction properties like isolation levels and read/write modes. Understanding this statement is essential for managing concurrency and performance effectively. Syntax The basic syntax of SET TRANSACTION is: SET TRANSACTION [ READ { ONLY…(Continue Reading)
PL/SQL Transactions
In Oracle databases, transactions play a crucial role in ensuring data integrity, consistency, and reliability. Transactions allow multiple SQL operations to be executed as a single unit of work, ensuring that either all operations succeed or none are applied. This article explores the fundamentals of Oracle PL/SQL transactions, covering transaction control statements, best practices, and…(Continue Reading)
PL/SQL SAVEPOINT
In Oracle PL/SQL, transactions play a crucial role in ensuring data integrity. The SAVEPOINT statement provides a way to create checkpoints within a transaction, allowing partial rollbacks instead of undoing the entire transaction. This feature is especially useful in complex transactions where different parts may need independent control over changes. What is SAVEPOINT? A SAVEPOINT…(Continue Reading)
PL/SQL ROLLBACK
The ROLLBACK statement in Oracle PL/SQL is a crucial part of transaction control. It allows developers to undo changes made during a transaction, ensuring data integrity and consistency. In this article, we’ll explore its syntax, use cases, and best practices. What is ROLLBACK in PL/SQL? In Oracle databases, transactions consist of one or more SQL…(Continue Reading)