https://github.com/jewel109/database-design

Notes from learning database management system
https://github.com/jewel109/database-design

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Notes from learning database management system

• Host: GitHub
• URL: https://github.com/jewel109/database-design
• Owner: jewel109
• Created: 2022-08-08T17:37:36.000Z (over 2 years ago)
• Default Branch: master
• Last Pushed: 2022-12-23T17:54:25.000Z (about 2 years ago)
• Last Synced: 2024-12-03T12:08:38.527Z (about 2 months ago)
• Homepage:
• Size: 22.5 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# Database Management System Learning from a genious guy named Caleb Curry

#### [Introduction (00:00)](#Introduction)

##### Introduction

  >The software that store data is called Database .

##### What is database?

##### What is relational database?

 >The database which works on the relational model of data.It contains tables with rows and columns .

 >>example:

 >>>we can have User table with column of username, password, email etc.

##### RDBMS

##### Introduction To SQL

##### Naming Convensions

##### What is Database Design?

##### Data Integrity

##### Database Terms

##### More Database Terms

##### Atomic values

##### Relationships

##### One-to-One Relationships

##### One-to-Many Relationships

##### Many-to-Many Relationships

##### Designing One-to-One Relationships

##### Designing One-to-Many Relationships

##### Parent Tables and Child Tables

##### Designing Many-to-Many Relationships

##### Summary of Relationships

##### Introduction to Keys

##### Primary Key Index

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##### What is entity in database design?

>Entity is anything we store data about in database.

>example:

>>User table : User is an entity.

##### What is attribute?

>Attribute is anything we store in database.

>>such as User table has username and email . These are the attribute . Attribute may be values or types

#####  What is rdbms?

##### What is SQL?

##### What is naming convention?

##### What is DDL & DML

##### What is Database Design

##### What is Data Integrity?

>The accuracy and the consistency between table

##### What are the section of Database Design?

>domain integrity 

##### What are the type of Data Integrity?

##### What is atomic values?

##### Type of join

##### Inner Join

##### outer join

>Outer joins are joins that return matched values and unmatched values from either or both tables

##### right join

##### left join

##### entity relationship 

##### Flow Chart 

```mermaid

  graph TD;

      A-->B;

      A-->C;

      B-->D;

      C-->D;

```

# Table 1

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| ----------- | ----------- |

| Header      | Title       |

| Paragraph   | Text