DataBase Management Systems

Relationships & Relationship Sets

Relationships & Relationship Sets A relationship is an association between several entities. A relationship set is a set of relationships of the same type. Formally it is a mathematical...

Relationships & Relationship Sets

Relationships & Relationship Sets A relationship is an association between several entities. A relationship set is a set of relationships of the same type. Formally it is a mathematical...

Entities and entity Sets in DBMS

Entities and Entity Sets An entity is an object that exists and is distinguishable from other objects. For instance, John Harris with S.I.N. 890-12-3456 is an entity, as he...

THREE LEVEL ARCHITECTURE OF DBMS

The logical architecture describes how data in the database is perceived by users. It is not concerned with how the data is handled and processed by the DBMS, but...

Introduction and applications of DBMS

What is a Database Management System (DBMS)? The database management system provides ways to organize, store, retrieve and interact with the data in the database. It consists of: A...

2 phase state commit protocol

 

DBMS DATA INDEPENDENCE

Data Independence: There’s a lot of data in whole database management system other than user’s data. DBMS comprises of three kinds of schemas, which is in turn data about...

Purpose of a DBMS

Purpose of Database Systems To see why database management systems are necessary, let’s look at a typical “file-processing system” supported by a conventional operating system.The application is a savings...

DBMS syllabus

Database Management System Computer   [ Back ] Code : 130703 Common Name : DBMS Year : 2 Sem : 3 Theory Hours : 4 Practical Hours : 4 Tutorial...