Oracle announced the release of Java 25 on September 16, 2025, marking another significant milestone in the evolution of the world's most popular programming language and development platform. This latest version, officially known as Oracle JDK 25, represents a substantial…
Oracle has officially announced that beginning in September 2025, Multi-Factor Authentication (MFA) will be rolled out across all Oracle-owned portals. This move represents a deliberate step toward enhancing user security in a digital landscape that is increasingly challenged by cyber…
Triggers in Oracle Database 23ai are powerful database objects that automatically execute when specific database events occur. They are closely tied to tables, views, or schema-level activities and help enforce rules, maintain audit trails, and automate business logic. In this…
Oracle Application Express (APEX) is a low-code platform that lets you build scalable web applications directly inside your Oracle Database. In this guide, you will learn how to install Oracle APEX 24.2 on a Container Database (CDB) in Windows, configure…
When installing Oracle Fusion Middleware, you may encounter the error: Error: Unable to access jarfile fmw_14.1.2.0.0_infrastructure_generic.jar This happens when the installer cannot find the required JAR file at the expected location. The issue is not with the file itself but…
Cursors in PL/SQL are used to handle query results that return more than one row. By default, Oracle manages cursors internally when you use simple SELECT INTO statements—these are called implicit cursors. However, when you need more control over query…
Oracle Database 23ai offers powerful features for modern application development, and packages are at the center of it. A package in PL/SQL is a way to group related procedures, functions, constants, cursors, and variables into a single unit. Instead of…
Functions in Oracle Database 23ai are stored PL/SQL programs that accept parameters, perform operations, and return a single value. Unlike procedures, which may or may not return values, functions are designed to return exactly one result. Functions are particularly useful…
In Oracle Database 23ai, procedures are a core part of PL/SQL programming. They allow you to group multiple SQL and PL/SQL statements into a single reusable block of code. By encapsulating logic inside procedures, developers can improve maintainability, enforce security,…
In Oracle Database 23ai PL/SQL, errors can occur during code execution due to invalid data, missing rows, constraint violations, or runtime issues. Exception handling allows you to gracefully capture and manage these errors instead of letting your program crash. By…
In Oracle Database 23ai, PL/SQL is not limited to single-row queries. Many times you need to process multiple rows one by one—for example, when iterating through employees, orders, or JSON data. This is where cursors become essential. A cursor acts…
Loops are one of the fundamental concepts in any programming language, allowing you to repeat a block of code multiple times until a condition is met. In Oracle Database 23ai PL/SQL, loops are especially useful when processing rows, performing calculations,…
The CASE statement in Oracle PL/SQL is a powerful alternative to IF statements when you want to evaluate multiple conditions more clearly and concisely. In Oracle Database 23ai, you can use the CASE statement both in PL/SQL blocks and directly…
Conditional logic is one of the most essential elements of programming. In Oracle Database 23ai, PL/SQL supports multiple forms of IF statements that help developers execute code based on specific conditions. Whether you are writing a simple check or handling…
When you write PL/SQL programs in Oracle Database 23ai, you often need storage for values that change during program execution and values that should never change. Variables allow you to store and modify data, while constants preserve values that remain…
Oracle Database 23ai is the latest long-term release of Oracle’s database platform, officially launched in 2024. It is the successor to Oracle Database 19c, which was the previous long-term release. Oracle 23ai is different because it introduces AI-native features like…
The ORDER BY clause in Oracle Database 23ai lets you sort the rows returned by a query. Without it, the database can return results in any order. ORDER BY helps you control whether the rows are listed alphabetically, numerically, chronologically,…
The GROUP BY clause in Oracle Database 23ai is used when you want to organize rows into groups and then apply aggregate functions such as COUNT, SUM, AVG, MIN, or MAX. Instead of returning every single row, GROUP BY allows…
