Database Management System and SQL
Database Management System and SQL
  • Database Management System and SQL
  • Database
    • Introduction to Database
      • Definition
      • File System
      • Different types of Database
      • Uses of DBMS
      • Basic Terms in Database
      • Query Language
    • View of Data
      • Data Abstraction
      • Schema & Instance
      • Data Models
    • Database Architecture
      • DBMS Tier Architecture
      • Three Schema Architecture
      • Data Independence
    • Relational Database Management System (RDBMS)
      • Entity-Relationship (ER) Model
      • Attributes
      • Keys
      • Relationship
    • Functional Dependencies
    • Normalization
  • MySQL
    • Terminology
    • Database Statements
    • Table
      • Data Type
      • Create
      • Show
      • Describe
      • Drop
      • Alter
      • Auto Increment
      • Index
    • Insert
    • Select
      • Condition
      • Aggregate Functions
      • Join
    • View
    • Delete
    • Update
    • MySQL Constraints
      • NOT NULL
      • DEFAULT
      • CHECK
      • UNIQUE
      • PRIMARY KEY
      • FOREIGN KEY
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  1. Database

View of Data

A database system is a collection of interrelated data and a set of programs that allow users to access and modify these data. A major purpose of a database system is to provide users with an abstract view of the data. That is, the system hides certain details of how the data are stored and maintained.

  • Data Abstraction

  • Schemas and Instances

  • Data Models

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Last updated 1 year ago

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