Specialization in DBMS: Definition, Examples and its Need

Specialization in DBMS: Definition, Examples and its Need: A simple Entity Relationship (ER) diagram represents the relationship of various entities which are stored in a database. Likewise, an Extended Entity Relationship (EER) diagram is an advanced version of ER diagram that manages the increasing complexity of the data. This extended ER diagram also introduced various … Read more

Pagination in SQL Server, MySQL and Oracle with Examples

Pagination in SQL Server, MySQL and Oracle with Examples: Often, while working with the application with a huge result set in the backend, it is not desired to display all the records on one page, and instead, it is always better to display them on multiple pages. Also See: Structure of DBMS Definition: Pagination is … Read more

Structure of DBMS: Users and Interfaces with Diagram

Structure of DBMS (Database Management System): Users and Interfaces with Diagram: A DBMS – Database management system is a complex software system that stores a huge amount of data and handles multiple requests (insert, delete, update and retrieve) from users. Internally, various components constitute DBMS and each component is known to perform the unique functionality. … Read more

What is Schedule in DBMS? Types, Advantages, Disadvantages

What is Schedule in DBMS? Types, Advantages, Disadvantages: In DBMS, the schedule is the sequence following which the instruction of transactions will be performed. It is a process using which transactions are lined for execution. It ensures that the operations don’t get overlapped when numerous transactions are running concurrently. Also See: What is Serializability in … Read more

Decomposition in DBMS? Types, Advantages, Properties, Issues

Decomposition in DBMS? Types, Advantages, Properties, Issues: Decomposition can be defined as a database management system process for dividing a single relation into multiple sub-relations. Its main purpose is to break down the functions of a company into fine levels of detail. It eliminates the anomalies and redundancy from the database by breaking it up … Read more

What is Serializability in DBMS? Types, Advantages, and Significance

What is Serializability in DBMS? Types, Advantages, and Significance: Serializability can be called a process used for finding the correct non-serial schedules in the database. It basically helps maintain the consistency in the database and often relates to the isolation features of a transaction. There is a solid sort of inconsistency caused by non-serial schedules … Read more

15 Characteristics of Database Management System

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Characteristics of Database Management System: At the end of this article you will be able to understand what are the basic Characteristics of Database management systems? There are numerous characteristics of database management system but a few of them are very important that are given below. Also See: Features of Database Management System Characteristics of … Read more

SQL Update Statement – Update Query In SQL

The Update is one of the DML (data manipulation) commands that are essentially used to update the existing data in the records/tuples. Pick a case of a company as an example that maintains the database for all the employees working for the company. But what happens when an employee decides to leave the company? His … Read more