DBMS Archives - TECHAntena

Normalization in a Database with Example Tables

Durga — Fri, 06 Nov 2020 16:05:14 +0000

Here we discuss the normalization in a database with example tables. Normalization a process that minimizes the redundancy in database. Normalization was developed by EF code in 1972. The main objective of normalization is to develop a logical data model for a relational database system is to create an accurate representation of data, its relationship, […]

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Weak Entity Set and Strong Entity Set in DBMS

Abhaya Sasidharan — Fri, 06 Nov 2020 14:45:41 +0000

An entity in DBMS can be a real-world object with physical existence. Here we discuss and compare the Weak Entity Set and Strong Entity Set in DBMS. It defines the type of data stored in the database which is nothing but simply a database table. For example, in a college database, the entity can be […]

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Instance and schema in DBMS

Abhaya Sasidharan — Fri, 06 Nov 2020 09:05:19 +0000

Instance and Schema are the most irreplaceable terms in Database Management System. These two are the main reason behind the existence of a structured database. Let’s look into Instance and schema in DBMS here. Instance and schema in DBMS Instance An instance is defined as the data or collection of information stored in a database […]

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ACID Properties of Transaction in Database

Abhaya Sasidharan — Fri, 06 Nov 2020 01:04:15 +0000

Transaction Processing is a model of computing, typically performed by large server computers, that supports interactive applications. Generally, in Transaction Processing, work is divided into individual, indivisible operations, known to be Transactions. Here we describe the ACID properties of the transaction in database management system. It is defined as a group of tasks, a single […]

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ER Diagram Examples – Entity Relationship Diagram

Durga — Thu, 05 Nov 2020 16:08:06 +0000

Here we describe the ER Diagram Examples – The entity-relationship diagram and examples. ER Diagram Examples ER Diagram An entity-relationship model( ER space model ) describes the structure of a database with the help of a diagram which is known as the Entity-relationship diagram ( ER diagram ). An ER diagram shows the relationship between […]

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Purpose of Database Management System

Durga — Mon, 02 Nov 2020 20:12:38 +0000

Database and database management systems have become an essential component of everyday life in modern society. Here we discuss the purpose of database management system. Databases play a critical role in almost all areas where computers are used, including business, engineering, medicine, law, education, and library science, to name a few. A database is an […]

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