Definition of Composite key: A key that has more than one attributes is known as composite key. It is also known as compound key. Note:… [Read More]

Definition of Candidate Key in DBMS: A super key with no redundant attribute is known as candidate key. Candidate keys are selected from the set… [Read More]

Definition: Foreign keys are the columns of a table that points to the primary key of another table. They act as a cross-reference between tables…. [Read More]

Definition of Super Key in DBMS: A super key is a set of one or more attributes (columns), which can uniquely identify a row in… [Read More]

In this guide, you will learn about primary key in DBMS with the help of examples. We will discuss, what is a primary key, how… [Read More]

In this guide, you will learn about instance and schema in DBMS. DBMS Schema Definition of schema: Design of a database is called the schema…. [Read More]

Database systems are made-up of complex data structures. To ease the user interaction with database, the developers hide internal irrelevant details from users. This process… [Read More]

In this guide, you will learn view of data in DBMS. View of data in DBMS Abstraction is one of the main features of database… [Read More]

In this guide, you will learn advantages and disadvantages of DBMS. We will first discuss what is a file processing system and how Database management… [Read More]

In this guide, you will learn the various DBMS applications. These applications help you understand the use of DBMS in various fields. DBMS applications Applications… [Read More]

DBMS stands for Database Management System. We can break it like this DBMS = Database + Management System. Database is a collection of data and… [Read More]

DBMS stands for Database Management System. We can break it like this DBMS = Database + Management System. Database is a collection of data and… [Read More]