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Database Management: Concepts and Organization

Explore the fundamentals of databases, DBMS, data organization, and relational database structures for efficient data management. Learn to interact with databases for various tasks such as registering for classes, shopping, and more.

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Database Management: Concepts and Organization

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Presentation Transcript

  1. Databases

  2. Basic Data Management Concepts • Database • Collection of all the data related to a particular topic or purpose -- for example, student data, customer data or product data • Database management system (DBMS) • Software used to access database

  3. When do I interact with databases • Register for classes • Shopping • Finding midi files on the CIS 1055 website • Flight registration systems • Cherry & White Pages • Purchasing a book from Amazon.com • Paying your phone bill on line

  4. Data Organization Records Garner Julia 30 Simpson Ave 555-3432 Garrett Allen 1222 Elm Street 555-9876 Gieger Carl 25 West Ave 555-2702 Geiser Gary 712 Chestnut 555-1112 Goucher Gerard 17 Asbury Ave 555-2956 File or Table Fields A collection of one or more related tables Database

  5. The Organization/Hierarchy of Data • Field • Name, number, or combination of characters that describes some aspect of an object • Record • Collection of related fields • File • Collection of related records • Database • Collection of integrated and related files

  6. What can I do with a DBMS • Enter data quickly and easily • Organize records in different ways • Locate specific records quickly • Eliminate data • Connect files with related information • Create Reports • Create Queries

  7. The Database Approach to Data Management • Database approach • Multiple application programs share a pool of related data • Increased flexibility in the use of data • Requires a database management system (DBMS)

  8. Queries • Built thru SQL (Structured Query Language) • First Name, Last Name and Annual Fee Milton Brewer $90.00 Louella Drake $40.00 Elena Gupta $55.00 Adelbert Ruiz $80.00 Benjamin Tu $37.0 • SQL: SELECT FIRSTNAME, LASTNAME, ANNUAL FEE FROM: MEMBER, MEMBERSHIP PLANS WHERE MEMBER.MEMBERSHIP CODE = MEMBERSHIP PLANS.MEMBERSHIP CODE ORDER BY LAST NAME

  9. Relational Database

  10. Database Structures • Types of Databases • Relational • Object-Oriented • Hierarchical, Network, Multi-Dimension

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