Category: DBMS

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 today’s world we are relying on data and for managing data, we have a database management system also known as DBMS. In this, there are many transactions that are...

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...

In the field of database management, functional dependency is a crucial concept that helps to maintain the accuracy and consistency of data stored in a database. It is used to...

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...

As we know Data is a collection of information that includes facts and figures that can be recorded, and stored by a computer. Image, audio, video, and text are the...

Imagine you want to buy a train ticket, but there is only one seat available on the website for rail travel. You eagerly click the "Book Now" button after anxiously...

A conflict serializable schedule is one that can be converted from a non-serial schedule to a serial schedule by swapping its non-conflicting operations. Conflicting Operations The two operations become conflicting...

Metadata is introduced in a DBMS through a data dictionary, which contains information about the data stored in the database, This metadata in DBMS is used to ensure data integrity,...

Serializability is a concept in database management systems (DBMS) that ensures the correctness of concurrent transactions. When multiple transactions are executed at the same time, serializability in DBMS ensures that...

Relational database management systems (DBMS) use relational calculus, a formal language, to express queries. In simple words, relational calculus in DBMS is a non-procedural language, which only focuses on what...

Anomalies in dbms can be defined as the flaws or problems in the relational database that can be occurred by the operations such as some instances of insertion leading to...

BCNF in DBMS stands for Boyce-Codd Normal Form which was formed in the 1970s by R.F Boyce and E.F Codd. It is a technique applied to normalize the table by...

View Serializability is the process of determining whether a given schedule is view serializable or not. If a schedule is a view equivalent to a serial schedule, it is view...

A diagram called an entity relationship shows the relationships between Entities in a database. It is frequently referred to as an ER Diagram. In DBMS, an ER Diagram is essential...

In this section we will discuss the key, primary key, and use of a primary key, foreign key, the use of a foreign key, the difference between primary key and...