1 / 11

Introduction to Databases

Introduction to Databases. Laurie Shteir and Ezequiel Moctezuma. Is a powerful database management system (DBMS) that functions in the windows environment and allows you to create and process data in a database. Key features are: Data entry and update Queries (questions) Forms Reports

odin
Télécharger la présentation

Introduction to Databases

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Introduction to Databases Laurie Shteir and Ezequiel Moctezuma

  2. Is a powerful database management system (DBMS) that functions in the windows environment and allows you to create and process data in a database Key features are: Data entry and update Queries (questions) Forms Reports Web support MS AccessUses extension .mdb (multi-relational databse)

  3. What is a Database • Collection of all the data related to a particular topic or purpose -- for example, student data, customer data or product data

  4. Structure of a Database File or Table 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 Fields

  5. Definitions Data field is a group of related characters Garner Julia 30 Simpson Ave 555-3432 Data Record is a group of related data fields Garner Julia 30 Simpson Ave 555-3432

  6. Definitions A Database is a collection of one or more related data files or tables 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

  7. What can I do with Database Software? • 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

  8. Data Management Software • File Managers • Manage data from one file (Flat File) • Data Base Management Systems • Manage data from related files; these files are connected in some way

  9. Database Organization • Hierarchical, Network, Relational and Object-Oriented • Relational -- Collection of related tables that share information. Most common type of database organization • Access is a relational database that can be used as a file manager or a full-blown database management system

  10. Relational DatabaseCollection of related tables that can share information. Most flexible

  11. Other terms to know • Table- • Query- • Field properties- • Filter- • Relational database- • Report- • Datasheet window- • Primary key- • Field- • Filed types- • Sort- • Criteria cell-

More Related