Category: DBMS

Mapping Constraints In DBMS(Database Management Systems), are employed to establish connections between entities, particularly when there are scenarios where one or more entities can be linked to one or more...

A Data Base Management System (DBMS) refers to a collection of computer programs designed for the purpose of creating and modifying databases. It serves as a software suite that ensures...

What are Keys? Keys in DBMS are attributes or combinations of attributes that are used to uniquely identify records within a database table. They play a crucial role in maintaining...

The DBMS's three-schema architecture divides the conceptual and physical layers, enabling independent modifications to each layer without impacting the others. Now, let's delve into the concept of the three-schema architecture...

Database systems are advanced computer-based record-keeping systems that offer exceptional functionality in organizing and managing data. These systems, commonly known as databases, store vast amounts of information related to specific...

In the realm of data management, database Management Systems (DBMS) have emerged as powerful tools for storing, organizing, and retrieving structured data. They offer numerous advantages over traditional file systems,...

This article will explore the different Armstrong Axioms employed to deduce all the functional dependencies in a relational database. Subsequently, we will examine additional rules derived from these Axioms, along...

SQL functions are powerful tools that allow you to encapsulate reusable pieces of code and perform complex calculations or data manipulations within a database. By creating custom SQL functions, you...

Structured Query Language (SQL) is a standard language for managing and manipulating relational databases. It provides a set of powerful commands that enable users to interact with databases, retrieve data,...

In the world of databases, redundancy refers to the duplication of data within a database system. While some degree of redundancy is inevitable and even necessary for efficient data retrieval,...

In the world of database management systems (DBMS), relationships between entities play a crucial role in organizing and structuring data. A well-designed database relies on understanding and implementing various types...

Relational algebra in dbms is to provide a formal and theoretical foundation for working with relational databases. It provides a standardized set of operations that can be used to manipulate...

DBMS introduced lossless decomposition to eliminate redundancy and improve the efficiency of the database. By breaking down a large table into smaller tables, the amount of data duplication is reduced,...

Multivalued dependency in dbms (MVD) is an important concept in the field of database design and management. It is a logical relationship that exists between the attributes of a relation...

Database Management System (DBMS) is a software system that manages data stored in databases. It provides a platform for users to create, retrieve, update, and delete data. One of the...

Aggregate Functions in DBMS are an essential component that helps the user in the analysis and extraction of meaningful information from large datasets. The Aggregate Functions in DBMS perform the...

Database Management System (DBMS) is a software system that allows users to create, maintain, and manipulate databases. It is a critical tool for businesses and organizations that need to store...

A cursor in DBMS allows programmers to work with individual records rather than entire sets of data. A Cursor in DBMS is particularly useful when dealing with complex queries or...

In Dbms (database management system) keys play an important role, A key is a field or combination of fields that uniquely identify a record or row in a table. Keys...

In the present era, our dependence on data is significant, and to effectively handle data, we employ a database management system, often referred to as DBMS. Within this framework, numerous...

A database management system (DBMS) is a system that manages data and guarantees that it stays integrated when changes are made to it. If the data's integrity is put at...

An aggregation is a type of association in which objects are assembled or configured to form a more complex object. An aggregation describes a collection of objects and how they...

A database management system (DBMS) is a software application that is used to create and manage databases. To perform any kind of operations in the database we use trigger in...

When working with relational databases, it's essential to understand how to combine data from different tables. This process is called joining, and it's one of the most powerful features of...

You must have used a traditional file management system numerous times. Yes, it simplifies our lives by organizing our files. But, have you ever considered adding a slew of new...

We deal with data all the time and often need to make some changes to the data. Transactions in DBMS are nothing but changes we made in the data. There...

Functional dependency is a fundamental concept in the realm of database management, playing a vital role in ensuring the precision and coherence of stored data. It facilitates the establishment of...

Databases have become an integral part of our digital world, serving as the foundation for storing, accessing, and managing data. To accomplish this, we rely on specialized software systems known...

Data mining is the process of analyzing large datasets to discover patterns, trends, and insights that can be used to make informed decisions. Data Mining involves using advanced computational techniques...

Data models in DBMS are used to define the structure of the data stored in the database. The answer to what data models in dbms can be expressed as a...