Found 636 Articles for Data Storage

Introduction Navigating the world of physical database design can feel like traversing a labyrinth. It's a critical aspect of data management, with approximately 75% of computing time spent on managing, retrieving and maintaining databases. This article will guide you through the key factors and steps involved in designing an effective physical database structure, helping you optimize performance while ensuring data integrity. Read on! Factors Influencing Physical Database Design Several factors play a crucial role in influencing the physical database design, including the purpose of the design, performance considerations, data integrity, and data redundancy. Purpose The primary objective of physical database ... Read More

Introduction Understanding how data is stored and accessed can be a complex task, often leading to confusion or mismanagement. Did you know that this problem can be avoided with the concept of physical and logical data independence? This insightful guide will help unravel these concepts, providing clarity on their roles in database management systems. Understanding Data Independence Data independence refers to the ability to modify or change the physical and logical aspects of data storage, definition, and manipulation without affecting the overall system architecture or conceptual schema. Physical Data Independence Physical data independence is crucial in the realm of database ... Read More

Introduction Navigating the landscape of a Database Management System (DBMS) can be complex for both business professionals and newcomers alike. Did you know that effective DBMS operation often involves various personnel performing distinct roles? This article will guide you through the key players in DBMS, their responsibilities, and how each contributes to a smoothly running system. Let's delve into this essential ecosystem for efficient data handling! Roles of Personnel in DBMS Personnel in a Database Management System (DBMS) serve various roles including Database Administrators (DBAs), Database Designers, Application Programmers, and End Users. Database Administrators (DBAs) Database Administrators (DBAs) sit at ... Read More

Introduction Are you struggling with understanding the different types of keys in a database management system (DBMS)? It might come as a surprise that there are five crucial ones to grasp: partial, unique, secondary, composite and surrogate keys. Types of Keys in DBMS There are several types of keys in DBMS, including partial, unique, secondary, composite, and surrogate keys. Partial Key In the realm of Database Management Systems (DBMS), a Partial Key serves a unique purpose. It is an attribute or set of attributes that can only identify some records, not all, within a table. This key type steps ... Read More

Introduction Are you frustrated with the slow speed and inconsistent performance of your computer's disk storage? RAID technology, short for Redundant Array of Independent Disks, could be the game-changing solution you've been searching for. This article will delve into how this powerful tool optimizes and parallelizes disk access to enhance your system's speed, efficiency, and data security. So why wait? Read on to unlock a world of unmatched storage prowess and unrivalled performance! Understanding RAID Technology RAID, or Redundant Array of Independent Disks, is a technology used in disk storage systems to parallelize disk access and improve performance. RAID and ... Read More

Introduction Are you struggling with slow query execution in your Database Management System (DBMS)? Actually, the fact is, parallelism in DBMS can significantly enhance the performance and speed of your queries. In this article, we'll unravel the concept of parallel query execution, its types - intraquery and interquery parallelism, their benefits and how they can be implemented to optimize your DBMS operations. Intrigued? Let’s dive into the world of efficient data processing! Types of Parallelism in Query Execution in DBMS There are two types of parallelism in query execution in DBMS: intraquery parallelism and interquery parallelism. Intraquery Parallelism Intraquery ... Read More

Introduction Navigating the complex world of distributed databases can feel like a daunting task, especially when it comes to managing transactions. Did you know that successful transaction management ensures data integrity and consistency across multiple nodes in a system? This article will provide an in-depth overview of transaction management in distributed databases, breaking down its core components and illustrating its importance. What is Transaction Management in Distributed Databases? Transaction Management in Distributed Databases is a pivotal process that ensures database operations are performed accurately and reliably. It essentially deals with the administration of transactions occurring in a distributed database environment, ... Read More

Introduction To get a grip of databases can be a tedious task when delving into object-oriented databases. Did you think that they provide an efficient way to handle complex data structures and have better performance of applications? The presented article will walk you through the basic fundamental aspects of object database concepts like objects, classes, state, behavior and so on. Basics of Object-Oriented Database An object-oriented database is a type of database management system that stores as well as manages complex data structures by the representation of real-world objects with both their state (data) as well as behavior (functions). Definition ... Read More

Introduction Whenever we deal with the data storage can often feel frustrating, especially as files grow in size and our need for required space expands. Did you happen to know that there is a simple storage solution called 'Just a Bunch Of Disks' or JBOD that might be what your system needs? This article will guide you through an overview of JBOD, helping to clarify its benefits and when it may be suggested to prefer over other configurations for example, RAID. What is JBOD? The option for data storage, JBOD, short for "Just a Bunch Of Disks, " refers like ... Read More

In this article, we are going to study Rename and Alias. Both these have their specific role when we talk in terms of DBMS. Renaming and aliases to the elements of the database provide a layer of abstraction and make the attributes of the relation presentable for the viewer. Mostly, Database store crucial information the concepts of renaming and aliasing plays an important role in representing data with efficiency. Let's gain an understanding of these concepts, their syntax, and the difference between them. What is Alias? Alias is an alternative name given to a column in the database Management System. This practice ... Read More