Database Management Systems: An Overview, Slides of Database Management Systems (DBMS)

guria rani 09

Typology: Slides

2011/2012

Uploaded on 08/12/2012

guriarani09
guriarani09 🇵🇰

4.3

(3)

25 documents

1 / 22

Toggle sidebar

This page cannot be seen from the preview

Don't miss anything!

bg1
Slide 1
WCC
Database Management System
pf3
pf4
pf5
pf8
pf9
pfa
pfd
pfe
pff
pf12
pf13
pf14
pf15
pf16

Partial preview of the text

Download Database Management Systems: An Overview and more Slides Database Management Systems (DBMS) in PDF only on Docsity!

  • Slide

Slide 2

Over View of Last Lecture

Slide 4

  • (^) File Processing System
  • (^) Database approach
  • (^) Database advantages

Slide 5

  • (^) Data Sharing
  • (^) Independent
  • (^) Control Redundancy (Duplication)
  • (^) Better Data Integrity (Validity)

Database Approach

Advantages

Slide 7

  • (^) Better Concurrency control (ATM)
    • (^) Batter backup and recovery procedure

Database Approach

Advantages

Slide 8

Today

Slide 10 Data as Resource

Slide 11

Resource

  • (^) Any asset that is of value to an

organization and that incurs

Cost

Slide 13 Yes

Slide 14

  • (^) Need information
  • (^) For Dead Items
    • (^) For Sales
    • (^) For Hot items
    • (^) For Customer
      • (^) For Delivery / Reorder

Slide 16

Level of Data

  • (^) Real World Data
    • Running System Physically
    • Procedures and process
    • Identify / attributes of any entity
      • Name , Address , Age

Slide 17

Level of Data

  • (^) Meta Data Data about data (way the data will be stored) Structures of data, Checks , properties Name text Age Number Salary Number

Slide 19

Database User

  • (^) Application Programmer
  • (^) End User
  • (^) Database User (DBA)

Slide 20

Duties of DBA

  • (^) Design
    • (^) Granting Data Access
    • (^) Maintenance
  • (^) Monitor the disk space