The document explains the fundamentals of database management systems (DBMS), including definitions, examples, and types of databases such as relational databases. It details key concepts in DBMS, the importance of keys in relational databases, and provides an overview of SQL. Additionally, the document includes information on MySQL commands and installation for creating and managing databases.

1. Library Management System
JAGANNATH DANSANNA REG NO-200301120080
Branch- CSE

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What is a
Database?
A database is a container where data can be collected systematically. Managing,
manipulation of those
data are easy

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Example of
Databases
Suppose an online telephone
directory uses a database to
store their data, Like: Name,
address. phone numbers, other
contact details.

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Example of
Databases
Or an online library who has
millions of books. In order
maintain their data they use
database

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What is a Database management
System?
A Database Management System (DBMS) is basically a software where you can store,
retrieve, define,
and manage your data in a database.

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Most used Databases
Management systems
Software
 MySQL
 Oracle
 PostgreSQL
 SQLite
 Maria DB
 PostgreSQL

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Types of Databases
Management
systems
 Hierarchical database
 Network database
 Relational database
 Object-Oriented database

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What is Relational Database
management
System?
A Relational database management system (RDBMS) is used for the database
management system
(DBMS). The concept is based on the relational model as introduced by E. F. Codd.

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Key Concept In DBMS

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What is Key in
RDBMS?
Key concept has an important role in relational database management system. This
technique is used for identifying the unique rows from table and also help to establish
relationship among the tables

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Types of Key in
RDBMS
Alternate key
4
Composite key
5
Foreign key
6
Primary key 1
Super Key 2
Candidate key 3

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What is
SQL?
 SQL stands for Structured Query Language
 SQL helps to access and manipulate your databases
 SQL became a standard of the American National Standards
Institute (ANSI) in 1986, and of the International Organization for
Standardization (ISO) in 1987

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Getting started with
MySQL

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This is the site to install MySQL ->
https://www.mysql.com/downloads/
Installing
MySQL

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Types of command in
MySQL: DDL
DCL
4
TCL
5
DDL 1
DQL 2
DML 3

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Basic commands for
MYSQL
INSERT INTO Customers (CustomerName, ContactName, Address, City,
PostalCode, Country)
VALUES (‘Priti', Ms. Chatterjee', ‘4/56 College street
21', ‘Kolkata', ‘70032', ‘India');
SELECT * FROM Customers show databases;
create database demo; use demo;

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Library Management
System

18. ER MODEL

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Table
schema

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