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In May 1994, Oracle introduced the Dynamic SQL concept in its Database version 7.1. With this it enabled developers to write the dynamic SQL through “DBMS_SQL” package. But, because of its “Not So Easy” syntaxes, the “Sluggish Performance” and “Unsupported User-Defined Types”, the DBMS_SQL library was not very successful. All these shortcomings raised the need […]


API (Application Programming Interfaces) Application Programming Interfaces Stand in HTML5. It is a set of routines, protocols, and tools for building software applications. An API is a collection of pre-built components, that can be used with JavaScript It is a set of programming codes that enables data transmission between one software application, website, and another. […]


Redis, developed in 2009, is a flexible, open-source (BSD licensed), in-memory data structure store, used as a database, cache, and message broker. Following in the footsteps of other NoSQL databases, such as Cassandra, CouchDB, and MongoDB, Redis allows the user to store vast amounts of data without the limits of a relational database.It supports various […]

Creating Buttons with Flutter’s ElevatedButton and Container

Buttons play a crucial role in user interaction, and Flutter’s Container and ElevatedButton combo is a powerhouse for creating eye-catching buttons Using Button Widget 1. Flexible Design with Expanded: The button’s flexibility is showcased through the Expanded widget, allowing it to adapt and fill available space. 2. Using Container : The outer Container serves a […]


OLTP (Online Transaction Processing) and OLAP (Online Analytical Processing) are two types of systems that handle different aspects of data processing within an organization. Here are the key differences between OLTP and OLAP: In summary, OLTP systems are optimized for transactional processing in operational environments, while OLAP systems are designed for analytical processing to support […]

Flutter’s Hot Reload

One of the key factors that sets Flutter apart in the world of app development is its powerful and efficient “Hot Reload” feature. If you’re a developer looking to streamline your workflow and boost productivity, understanding how Hot Reload works and why it’s so beneficial is essential. What is Hot Reload? Flutter’s Hot Reload is […]

Accessing and modifying HTML document elements in JavaScript

To access and modify HTML document elements in JavaScript, you can use the Document Object Model (DOM). The DOM is a programming interface for web documents, providing a structured representation that can be manipulated using JavaScript. Accessing Elements: By ID: By Class Name: By Tag Name: By CSS Selector: Modifying Elements: These are basic examples, […]

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