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Managing data resources

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Prof. Othman Alsalloum
Prof. Othman Alsalloum

This document discusses database management systems and how they organize information. It compares traditional file organization techniques to database management. It describes the different components of a database management system including the data definition language, data manipulation language, and data dictionary. It also discusses different database models like relational, hierarchical, and network models. Finally, it outlines the process for creating a database including conceptual and physical design.

Technology
1 of 37
7 MANAGING DATA RESOURCES c h a p t e r
LEARNING OBJECTIVES ,[object Object],[object Object],[object Object]
LEARNING OBJECTIVES ,[object Object],[object Object],[object Object]
MANAGEMENT CHALLENGES ,[object Object],[object Object],[object Object],[object Object],[object Object]
MANAGEMENT CHALLENGES ,[object Object],[object Object],[object Object]
FILE ORGANIZATION ,[object Object],[object Object],[object Object],[object Object],[object Object]
FILE ORGANIZATION ,[object Object],[object Object],[object Object]
FILE ORGANIZATION ,[object Object],[object Object],[object Object],[object Object]
KEY FIELD ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],PROBLEMS WITH TRADITIONAL FILE ENVIRONMENT Flat File
SEQUENTIAL VS. DIRECT FILE ORGANIZATION ,[object Object],[object Object],[object Object]
FILING METHODS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
DIRECT FILE ACCESS METHOD ,[object Object],[object Object],[object Object],[object Object]
DATABASE MANAGEMENT SYSTEM (DBMS) ,[object Object],[object Object],[object Object],[object Object],DBMS
COMPONENTS OF DBMS: ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],DBMS
STRUCTURED QUERY LANGUAGE (SQL) ,[object Object],[object Object],[object Object],[object Object],DBMS
ELEMENTS OF SQL ,[object Object],[object Object],[object Object],[object Object],DBMS
TWO VIEWS OF DATA ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],BIT BYTE FIELD RECORD FILE DATABASE DBMS
RELATIONAL DATA MODEL ,[object Object],[object Object],[object Object],[object Object],[object Object]
TYPES OR RELATIONS ONE-TO-ONE: STUDENT ID ONE-TO-MANY: CLASS STUDENT A STUDENT B STUDENT C MANY-TO-MANY: STUDENT A STUDENT B STUDENT C CLASS 1 CLASS 2
HIERARCHICAL DATA MODEL ROOT FIRST CHILD 2nd CHILD Ratings Salary Compensation Job Assignments Pension Insurance Health Benefits Employer
NETWORK DATA MODEL ,[object Object],[object Object],[object Object],NETWORK A NETWORK B NETWORK C NETWORK 1 NETWORK 2
OTHER SYSTEMS ,[object Object],[object Object],[object Object],[object Object]
CREATING A DATABASE ,[object Object],[object Object],[object Object]
CREATING A DATABASE CONCEPTUAL DESIGN: ,[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],CREATING A DATABASE PHYSICAL DESIGN:
ELEMENTS OF DATABASE ENVIRONMENT DATABASE MANAGEMENT SYSTEM DATA ADMINISTRATION DATABASE TECHNOLOGY & MANAGEMENT USERS DATA PLANNING & MODELING METHODOLOGY
ENTITY- RELATIONSHIP DIAGRAM 1 1 M 1 ORDER CAN HAVE PART SUPPLIER CAN HAVE ORDER: #, DATE, PART #, QUANTITY PART: #, DESCRIPTION, UNIT PRICE, SUPPLIER # SUPPLIER: #, NAME, ADDRESS
NORMALIZATION ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
DISTRIBUTED DATABASES ,[object Object],[object Object],[object Object]
DATABASE ADMINISTRATION ,[object Object],[object Object],[object Object],[object Object],[object Object]
DATABASE TRENDS ,[object Object],[object Object],[object Object]
DATABASE TRENDS ,[object Object],[object Object],[object Object]
COMPONENTS OF DATA WAREHOUSE
DATABASE TRENDS ,[object Object],[object Object],[object Object]
DATABASE TRENDS ,[object Object],[object Object],[object Object],[object Object],[object Object]
7 MANAGING DATA RESOURCES c h a p t e r

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Managing data resources

  • 1. 7 MANAGING DATA RESOURCES c h a p t e r
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  • 20. TYPES OR RELATIONS ONE-TO-ONE: STUDENT ID ONE-TO-MANY: CLASS STUDENT A STUDENT B STUDENT C MANY-TO-MANY: STUDENT A STUDENT B STUDENT C CLASS 1 CLASS 2
  • 21. HIERARCHICAL DATA MODEL ROOT FIRST CHILD 2nd CHILD Ratings Salary Compensation Job Assignments Pension Insurance Health Benefits Employer
  • 22.
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  • 27. ELEMENTS OF DATABASE ENVIRONMENT DATABASE MANAGEMENT SYSTEM DATA ADMINISTRATION DATABASE TECHNOLOGY & MANAGEMENT USERS DATA PLANNING & MODELING METHODOLOGY
  • 28. ENTITY- RELATIONSHIP DIAGRAM 1 1 M 1 ORDER CAN HAVE PART SUPPLIER CAN HAVE ORDER: #, DATE, PART #, QUANTITY PART: #, DESCRIPTION, UNIT PRICE, SUPPLIER # SUPPLIER: #, NAME, ADDRESS
  • 29.
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  • 34. COMPONENTS OF DATA WAREHOUSE
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  • 37. 7 MANAGING DATA RESOURCES c h a p t e r