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Managing data resources

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Prof. Othman Alsalloum
Prof. Othman Alsalloum
Tecnologia
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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
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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